Characteristics | All patients (n = 62) | Group A (n = 38) | Group B (n = 24) | P value |
---|---|---|---|---|
Age, years | 68.4 (29–100) | 70.5 (32–100) | 65.5 (29–87) | NS |
Sex | ||||
 Men | 29 (47%) | 19 (50%) | 10 (42%) | NS |
 Women | 33 (53%) | 19 (50%) | 14 (58%) | NS |
Current smoking | 22 (35.5%) | 10 (26.3%) | 12 (50%) | 0.03 |
Comorbidity (at least one) | 54 (87.1%) | 33 (86.8%) | 21 (87.5%) | NS |
 Diabetes | 32 (51.6%) | 24 (63.2%) | 8 (33.3%) | 0.03 |
 Hypertension | 40 (64.5%) | 18 (47.4%) | 12 (50.0%) | NS |
 Cardiovascular disease | 27 (43.5%) | 19 (50.0%) | 8 (33.3%) | NS |
 Chronic obstructive pulmonary disease | 21 (33.9%) | 11 (28.9%) | 10 (41.7%) | NS |
 Malignancy | 9 (14.5%) | 6 (15.8%) | 3 (12.5%) | NS |
 Multiple sclerosis | 1 (1.6%) | 0 (0%) | 1 (4.2%) | NS |