Table 1

Details of bleeding episodes and hemostatic response

Details10 IU/kg40 IU/kgOn demandAll
Number of patients 30 29 15 74 
Number of patients with bleeding episodes 25 16 14 55 
Number of bleeding episodes 132 70 143 345 
Type of bleeding episode, n (%)     
 Spontaneous 91 (68.9) 34 (48.6) 102 (71.3) 227 (65.8) 
 Traumatic 39 (29.5) 36 (51.4) 41 (28.7) 116 (33.6) 
 After minor surgery 1 (0.8) — — 1 (0.3) 
 Other 1 (0.8) — — 1 (0.3) 
Injections needed to treat bleeding episode (from start to stop of bleeding episode), n (%)     
 1 injection 111 (84.1) 69 (98.6) 120 (83.9) 300 (87.0) 
 2 injections 16 (12.1) — 20 (14.0) 36 (10.4) 
 3 injections 2 (1.5) 1 (1.4) — 3 (0.9) 
 ≥4 injections 3 (2.3) — 3 (2.1) 6 (1.7) 
Hemostatic response, n (%)*     
 Excellent 41 (31.1) 35 (50.0) 43 (30.1) 119 (34.5) 
 Good 72 (54.5) 32 (45.7) 92 (64.3) 196 (56.8) 
 Moderate 13 (9.8) 2 (2.9) 7 (4.9) 22 (6.4) 
 Poor 4 (3.0) — — 4 (1.2) 
 Missing 2 (1.5) 1 (1.4) 1 (0.7) 4 (1.2) 
Successful hemostatic responses, n (%), 113 (86.9) 67 (97.1) 135 (95.1) 315 (92.4) 
Failure hemostatic responses, n (%), 17 (13.1) 2 (2.9) 7 (4.9) 26 (7.6) 
Details10 IU/kg40 IU/kgOn demandAll
Number of patients 30 29 15 74 
Number of patients with bleeding episodes 25 16 14 55 
Number of bleeding episodes 132 70 143 345 
Type of bleeding episode, n (%)     
 Spontaneous 91 (68.9) 34 (48.6) 102 (71.3) 227 (65.8) 
 Traumatic 39 (29.5) 36 (51.4) 41 (28.7) 116 (33.6) 
 After minor surgery 1 (0.8) — — 1 (0.3) 
 Other 1 (0.8) — — 1 (0.3) 
Injections needed to treat bleeding episode (from start to stop of bleeding episode), n (%)     
 1 injection 111 (84.1) 69 (98.6) 120 (83.9) 300 (87.0) 
 2 injections 16 (12.1) — 20 (14.0) 36 (10.4) 
 3 injections 2 (1.5) 1 (1.4) — 3 (0.9) 
 ≥4 injections 3 (2.3) — 3 (2.1) 6 (1.7) 
Hemostatic response, n (%)*     
 Excellent 41 (31.1) 35 (50.0) 43 (30.1) 119 (34.5) 
 Good 72 (54.5) 32 (45.7) 92 (64.3) 196 (56.8) 
 Moderate 13 (9.8) 2 (2.9) 7 (4.9) 22 (6.4) 
 Poor 4 (3.0) — — 4 (1.2) 
 Missing 2 (1.5) 1 (1.4) 1 (0.7) 4 (1.2) 
Successful hemostatic responses, n (%), 113 (86.9) 67 (97.1) 135 (95.1) 315 (92.4) 
Failure hemostatic responses, n (%), 17 (13.1) 2 (2.9) 7 (4.9) 26 (7.6) 
*

Definitions of hemostatic response: excellent = abrupt pain relief and/or clear improvement in objective signs of bleeding within 8 hours after a single injection; good = noticeable pain relief and/or improvement in signs of bleeding within 8 hours after a single injection; moderate = probable or slight beneficial effect within the first 8 hours after the first injection but requiring more than a single injection within 8 hours; poor = either no improvement or worsening of symptoms within 8 hours after 2 injections.

A successful hemostatic response was defined as an excellent or good hemostatic response. Note that this observed rate is slightly different from the model-based estimate presented in Results, which was 92.2%.

A failure hemostatic response was defined as a moderate or poor hemostatic response.

Bleeding episodes with a missing hemostatic response were not included in the calculation of successful and failure hemostatic responses.

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