Table 1.

Baseline characteristics

CharacteristicsFrail
(n = 2699),
n (%)
Nonfrail
(n = 2828),
n (%)
Total
(N = 5527),
n (%)
P value
Age, median (IQR), y 76 (71-81) 74 (70-79) 75 (70-80) <.001 
Male 1377 (51.0%) 1478 (52.3%) 2855 (51.7%) .355 
Female 1322 (49.0%) 1350 (47.7%) 2672 (48.3%)  
Era of treatment    .0003 
2006-2009 890 (33.0%) 976 (34.5%) 1866 (33.8%)  
2010-2013 816 (30.2%) 954 (33.7%) 1770 (32.0%)  
2014-2017 993 (36.8%) 898 (31.8%) 1891 (34.2%)  
Neighborhood income quintile     
Q1 (lowest) 552 (20.5%) 351 (12.4%) 903 (16.3%) <.001 
Q2 676 (25.0%) 481 (17.0%) 1157 (20.9%)  
Q3 581 (21.5%) 518 (18.3%) 1099 (19.9%)  
Q4 432 (16.0%) 680 (24.0%) 1112 (20.1%)  
Q5 (highest) 454 (16.8%) 791 (28.0%) 1245 (22.5%)  
Neighborhood-level educational attainment (census 2006)     
Missing/unknown 206 (7.6%) 242 (8.6%) 448 (8.1%) <.001 
Q1 (lowest) 418 (15.5%) 585 (20.7%) 1003 (18.1%)  
Q2 489 (18.1%) 528 (18.7%) 1017 (18.4%)  
Q3 543 (20.1%) 535 (18.9%) 1078 (19.5%)  
Q4 531 (19.7%) 496 (17.5%) 1027 (18.6%)  
Q5 (highest) 512 (19.0%) 442 (15.6%) 954 (17.3%)  
Rural dwelling     
Rural 414 (15.3%) 359 (12.7%) 773 (14.0%) <.005 
Urban 2285 (84.7%) 2469 (87.3%) 4754 (86.0%)  
Number of ADG comorbidities      
Median ADGs (IQR) 13 (12-15) 10 (8-12) 12 (9-14) <.001 
Cancer type     
DLBCL 2558 (94.8%) 2658 (94.0%) 5216 (94.4%) .204 
Transformed FL 141 (5.2%) 170 (6.0%) 311 (5.6%)  
Status at time of diagnosis     
Inpatient 756 (28.0%) 450 (15.9%) 1206 (21.8%) <.001 
Outpatient 1943 (72.0%) 2378 (84.1%) 4321 (78.2%)  
Cancer stage     
Missing/unknown  1476 (54.7%) 1420 (50.2%) 2896 (52.4%) <.0001 
233 (8.6%) 349 (12.3%) 582 (10.5%)  
II 257 (9.5%) 348 (12.3%) 605 (10.9%)  
III 233 (8.6%) 283 (10.0%) 516 (9.3%)  
IV 500 (18.5%) 428 (15.1%) 928 (16.8%)  
CharacteristicsFrail
(n = 2699),
n (%)
Nonfrail
(n = 2828),
n (%)
Total
(N = 5527),
n (%)
P value
Age, median (IQR), y 76 (71-81) 74 (70-79) 75 (70-80) <.001 
Male 1377 (51.0%) 1478 (52.3%) 2855 (51.7%) .355 
Female 1322 (49.0%) 1350 (47.7%) 2672 (48.3%)  
Era of treatment    .0003 
2006-2009 890 (33.0%) 976 (34.5%) 1866 (33.8%)  
2010-2013 816 (30.2%) 954 (33.7%) 1770 (32.0%)  
2014-2017 993 (36.8%) 898 (31.8%) 1891 (34.2%)  
Neighborhood income quintile     
Q1 (lowest) 552 (20.5%) 351 (12.4%) 903 (16.3%) <.001 
Q2 676 (25.0%) 481 (17.0%) 1157 (20.9%)  
Q3 581 (21.5%) 518 (18.3%) 1099 (19.9%)  
Q4 432 (16.0%) 680 (24.0%) 1112 (20.1%)  
Q5 (highest) 454 (16.8%) 791 (28.0%) 1245 (22.5%)  
Neighborhood-level educational attainment (census 2006)     
Missing/unknown 206 (7.6%) 242 (8.6%) 448 (8.1%) <.001 
Q1 (lowest) 418 (15.5%) 585 (20.7%) 1003 (18.1%)  
Q2 489 (18.1%) 528 (18.7%) 1017 (18.4%)  
Q3 543 (20.1%) 535 (18.9%) 1078 (19.5%)  
Q4 531 (19.7%) 496 (17.5%) 1027 (18.6%)  
Q5 (highest) 512 (19.0%) 442 (15.6%) 954 (17.3%)  
Rural dwelling     
Rural 414 (15.3%) 359 (12.7%) 773 (14.0%) <.005 
Urban 2285 (84.7%) 2469 (87.3%) 4754 (86.0%)  
Number of ADG comorbidities      
Median ADGs (IQR) 13 (12-15) 10 (8-12) 12 (9-14) <.001 
Cancer type     
DLBCL 2558 (94.8%) 2658 (94.0%) 5216 (94.4%) .204 
Transformed FL 141 (5.2%) 170 (6.0%) 311 (5.6%)  
Status at time of diagnosis     
Inpatient 756 (28.0%) 450 (15.9%) 1206 (21.8%) <.001 
Outpatient 1943 (72.0%) 2378 (84.1%) 4321 (78.2%)  
Cancer stage     
Missing/unknown  1476 (54.7%) 1420 (50.2%) 2896 (52.4%) <.0001 
233 (8.6%) 349 (12.3%) 582 (10.5%)  
II 257 (9.5%) 348 (12.3%) 605 (10.9%)  
III 233 (8.6%) 283 (10.0%) 516 (9.3%)  
IV 500 (18.5%) 428 (15.1%) 928 (16.8%)  

ADG, Aggregated Diagnosis Group; FL, follicular lymphoma; Q, quintile.

ADGs exclude cancer.

Staging only available from 2007 onward.

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