Table 1. Characteristics of the total study sample and subgroups.a .
| Variable | Total | In-hospital mortality | p | |
|---|---|---|---|---|
| Yes | No | |||
| (N = 304) | (n = 47) | (n = 257) | ||
| Gender | ||||
| Male | 171 (56.2) | 28 (16.4) | 143 (83.6) | 0.6 |
| Female | 133 (43.8) | 19 (14.3) | 114 (85.7) | |
| Age, years | 67 ± 17.3 | 77.5 ± 12.7 | 65.2 ± 17.3 | 0.6 |
| Race | 0.7 | |||
| White | 290 (95.4) | 46 (15.9) | 244 (84.1) | |
| Non-White | 14 (4.6) | 1 (7.1) | 13 (92.9) | |
| CCI score | 4.9 ± 3.1 | 8.11± 2.8 | 4.3 ± 2.8 | < 0.001 |
| CURB-65 score | 2.2 ± 1.1 | 3.0 ± 1.0 | 2.0 ± 1.1 | < 0.001 |
| PSI score | 107.2 ± 50.6 | 147.3 ± 32.5 | 99.9 ± 50.0 | < 0.001 |
| Smoking | 155 (51.0) | 23 (14.8) | 132 (85.2) | 0.9 |
| Dementia | 65 (21.4) | 23 (35.4) | 42 (64.6) | < 0.001 |
| Diabetes | 46 (15.5) | 8 (17.4) | 132 (85.2) | 0.7 |
| Heart failure | 71 (23.4) | 15 (21.1) | 56 (78.9) | 0.14 |
| Neoplasia | 39 (12.8) | 15 (38.5) | 24 (61.5) | < 0.001 |
| Renal disease | 34 (11.2) | 13 (38.2) | 21 (61.8) | < 0.001 |
| Chronic lung disease | 150 (49.3) | 23 (15.3) | 127 (84.7) | 1.0 |
| Institutionalized | 22 (7.2) | 7 (31.8) | 15 (68.2) | 0.03 |
CCI: Charlson Comorbidity Index; CURB-65: mental Confusion, Urea, Respiratory rate, Blood pressure, and age > 65 years; and PSI: Pneumonia Severity Index. aValues expressed as n (%) or as mean ± SD.