|  | Number (%) | Number (%) | Number (%) |  |
---|---|---|---|---|---|
 |  | Total | Improved | Unimproved | P-value |
Variables | Â | 1103 (100.0) | 795 (72.1) | 308 (27.9) | Â |
Sex | Men | 383 (34.7) | 287 (74.9) | 96 (25.1) | 0.213 |
Women | 720 (65.3) | 508 (70.6) | 212 (29.4) | ||
Age strata (years old) | < 50 | 632 (57.3) | 470 (74.4) | 162 (25.6) | 0.152 |
≥50 | 471 (42.7) | 325 (69.0) | 146 (31.0) | ||
Hospitalization period (days) | 10–60 | 434 (39.3) | 306 (70.5) | 128 (29.5) | 0.631 |
61–120 | 669 (60.7) | 486 (72.6) | 183 (27.4) |