Table 1. Demographics and Comorbidities of Patients and Control Individualsa.
| Variable | Patients | Controls | P Valueb |
|---|---|---|---|
| Sex | |||
| Male | 342 (51.0) | 342 (51.0) | NA |
| Female | 328 (49.0) | 328 (49.0) | NA |
| Age at diagnosis, mean (SD), y | 75.3 (10.0) | 75.3 (10.0) | NA |
| <65 | 80 | 80 | NA |
| 65-74 | 196 | 196 | NA |
| 75-84 | 298 | 298 | NA |
| ≥85 | 96 | 96 | NA |
| Comorbidities | |||
| Cardiovascular | 423 (63.1) | 389 (58.1) | .07 |
| Neurologic | 82 (12.2) | 49 (7.3) | .003 |
| Endocrinologicc | 140 (20.9) | 140 (20.9) | >.99 |
| Malignant | 59 (8.8) | 86 (12.8) | .03 |
| Nephrologic | 110 (16.4) | 88 (13.1) | .11 |
| Psychological | 143 (21.3) | 106 (15.8) | .01 |
| Rheumatic | 9 (1.3) | 10 (1.5) | >.99 |
| Dermatologicd | 23 (3.4) | 27 (4.0) | .67 |
Abbreviation: NA, not applicable.
a
Data are presented as number (percentage) of patients or controls unless otherwise indicated.
b
P values determined with the χ2 test or Fisher exact test, as appropriate.
c
Except for diabetes.
d
Except for bullous pemphigoid.