Table 3.

Prioritized PICO questions and outcomes

Final question(s) in PICO formatSelected outcomes
Adult ITP   
 Should adults with newly diagnosed ITP and a platelet count <30 × 109/L who are asymptomatic be treated with corticosteroids or observation? Major bleeding Remission 
 Should adults with newly diagnosed ITP and a platelet count ≥30 × 109/L who are asymptomatic be treated with corticosteroids or observation? Overall health-related quality of life Mortality 
  Response within 7 d  
 Should adults with newly diagnosed ITP and a platelet count <20 × 109/L and no or mild bleeding be treated as an outpatient or be admitted to the hospital? Major bleeding  
 Should adults with newly diagnosed ITP and a platelet count ≥20 × 109/L and no or mild bleeding be treated as an outpatient or be admitted to the hospital? Mortality 
 Should adults with newly diagnosed ITP receive a shorter (≤ 8 wk) or prolonged course (including treatment and taper) of corticosteroids for initial therapy? Durable response Infection 
Major bleeding Mortality 
Remission  
 Should adults with newly diagnosed ITP be treated with prednisone (0.5-2.0 mg/kg per day) or dexamethasone (40 mg/day × 4 d) as the type of corticosteroid for initial therapy? Durable response Major bleeding 
Overall HRQoL Remission 
Response within 7 d Response within 1 mo 
 Should adults with newly diagnosed ITP be treated with rituximab and corticosteroids or corticosteroids alone for initial therapy? Durable response Infection 
Major bleeding Mortality 
Overall HRQoL Remission 
Response within 1 mo  
 If an adult with ITP is corticosteroid dependent or unresponsive to corticosteroids and is going to be treated with a TPO-RA, should the patient receive eltrombopag or romiplostim? Durable response Major Bleeding 
Overall HRQoL Remission 
Response within 1 mo Thrombosis 
Reduction or discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids undergo splenectomy or be treated with TPO-RAs? Durable response Infection 
Major bleeding Operative complications 
Overall HRQoL Remission 
Response within one month Thrombosis 
Reduction/discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids be treated with rituximab or TPO-RAs? Durable response Infection 
Major bleeding Thrombosis 
Overall HRQoL Remission 
Response within one month  
Reduction/discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids undergo splenectomy or be treated with rituximab? Durable response Infection 
Major bleeding Operative complications 
Overall HRQoL Remission 
Response within one month Thrombosis 
Reduction/discontinuation of corticosteroids  
Pediatric ITP   
 Should children with newly diagnosed ITP and a platelet count <20 × 109/L be treated as an outpatient or be admitted to the hospital? Major bleeding Mortality 
 Should children with newly diagnosed ITP and a platelet count ≥20 × 109/L be treated as an outpatient or be admitted to the hospital? Overall HRQoL 
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or corticosteroids for initial therapy? Durable response Major bleeding 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or IVIg? Durable response Major Bleeding 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or anti-D immunoglobulin for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require treatment, be treated with anti-D immunoglobulin or corticosteroids for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require drug therapy receive IVIg or anti-D immunoglobulin for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require drug therapy receive a course of corticosteroids longer or shorter than 7 d? Durable response Infection 
Major bleeding Mood or mental changes 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP who as determined above require drug therapy receive dexamethasone (0.6 mg/kg per day for 4 d every 4 wk) or prednisone (2-4 mg/kg per day × 5-7 d) as the type of corticosteroid? Durable response Major bleeding 
Mortality Remission 
 What is the best treatment of children who are unresponsive to first-line treatment? That is, what are the risks and benefits to various treatments: splenectomy, rituximab, and TPO-RAs? Durable response Infection 
Major bleeding Thrombosis 
Overall HRQoL Remission 
Response within 1 month  
Reduction/discontinuation of corticosteroids  
Final question(s) in PICO formatSelected outcomes
Adult ITP   
 Should adults with newly diagnosed ITP and a platelet count <30 × 109/L who are asymptomatic be treated with corticosteroids or observation? Major bleeding Remission 
 Should adults with newly diagnosed ITP and a platelet count ≥30 × 109/L who are asymptomatic be treated with corticosteroids or observation? Overall health-related quality of life Mortality 
  Response within 7 d  
 Should adults with newly diagnosed ITP and a platelet count <20 × 109/L and no or mild bleeding be treated as an outpatient or be admitted to the hospital? Major bleeding  
 Should adults with newly diagnosed ITP and a platelet count ≥20 × 109/L and no or mild bleeding be treated as an outpatient or be admitted to the hospital? Mortality 
 Should adults with newly diagnosed ITP receive a shorter (≤ 8 wk) or prolonged course (including treatment and taper) of corticosteroids for initial therapy? Durable response Infection 
Major bleeding Mortality 
Remission  
 Should adults with newly diagnosed ITP be treated with prednisone (0.5-2.0 mg/kg per day) or dexamethasone (40 mg/day × 4 d) as the type of corticosteroid for initial therapy? Durable response Major bleeding 
Overall HRQoL Remission 
Response within 7 d Response within 1 mo 
 Should adults with newly diagnosed ITP be treated with rituximab and corticosteroids or corticosteroids alone for initial therapy? Durable response Infection 
Major bleeding Mortality 
Overall HRQoL Remission 
Response within 1 mo  
 If an adult with ITP is corticosteroid dependent or unresponsive to corticosteroids and is going to be treated with a TPO-RA, should the patient receive eltrombopag or romiplostim? Durable response Major Bleeding 
Overall HRQoL Remission 
Response within 1 mo Thrombosis 
Reduction or discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids undergo splenectomy or be treated with TPO-RAs? Durable response Infection 
Major bleeding Operative complications 
Overall HRQoL Remission 
Response within one month Thrombosis 
Reduction/discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids be treated with rituximab or TPO-RAs? Durable response Infection 
Major bleeding Thrombosis 
Overall HRQoL Remission 
Response within one month  
Reduction/discontinuation of corticosteroids  
 Should adults with ITP lasting ≥3 mo who are corticosteroid dependent or have no response to corticosteroids undergo splenectomy or be treated with rituximab? Durable response Infection 
Major bleeding Operative complications 
Overall HRQoL Remission 
Response within one month Thrombosis 
Reduction/discontinuation of corticosteroids  
Pediatric ITP   
 Should children with newly diagnosed ITP and a platelet count <20 × 109/L be treated as an outpatient or be admitted to the hospital? Major bleeding Mortality 
 Should children with newly diagnosed ITP and a platelet count ≥20 × 109/L be treated as an outpatient or be admitted to the hospital? Overall HRQoL 
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or corticosteroids for initial therapy? Durable response Major bleeding 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or IVIg? Durable response Major Bleeding 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP and no or minor bleeding be treated with observation or anti-D immunoglobulin for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require treatment, be treated with anti-D immunoglobulin or corticosteroids for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require drug therapy receive IVIg or anti-D immunoglobulin for initial therapy? Durable response Hemolysis 
Major bleeding Mortality 
Overall HRQoL Remission 
 Should children with newly diagnosed ITP who as determined above require drug therapy receive a course of corticosteroids longer or shorter than 7 d? Durable response Infection 
Major bleeding Mood or mental changes 
Overall HRQoL Mortality 
Remission  
 Should children with newly diagnosed ITP who as determined above require drug therapy receive dexamethasone (0.6 mg/kg per day for 4 d every 4 wk) or prednisone (2-4 mg/kg per day × 5-7 d) as the type of corticosteroid? Durable response Major bleeding 
Mortality Remission 
 What is the best treatment of children who are unresponsive to first-line treatment? That is, what are the risks and benefits to various treatments: splenectomy, rituximab, and TPO-RAs? Durable response Infection 
Major bleeding Thrombosis 
Overall HRQoL Remission 
Response within 1 month  
Reduction/discontinuation of corticosteroids  

PICO, population, intervention, comparator, and outcome.

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