Table 1. Clinical characteristics of patients in prediction of mechanical ventilation.
| Total Patients (n = 1,980) | No Mechanical Ventilation (n = 1,649) | Mechanical Ventilation (n = 331) | Significance | |
|---|---|---|---|---|
| Age | 63.2 ± 17.1 | 63.2 ± 17.6 | 63.2 ± 15.0 | 0.969 |
| Sex | Male: 1,013 (51.2%) | Male: 813 (49.3%) | Male: 200 (60.4%) | 0.001 |
| Female: 967 (48.8%) | Female: 836 (50.7%) | Female: 131 (39.6%) | ||
| Race | Asian 32 (1.6%) | Asian 28 (1.7%) | Asian 4 (1.2%) | 0.023 |
| AA: 1,117 (56.4%) | AA: 930 (56.5%) | AA: 187 (56.8%) | ||
| Caucasian: 725 (36.6%) | Caucasian: 615 (37.4%) | Caucasian: 110 (33.4%) | ||
| Other: 101 (5.1%) | Other: 73 (4.4%) | Other: 28 (8.5%) | ||
| BMI | 32.0 ± 9.0 | 31.7 ± 8.8 | 33.9 ± 10.0 | 0.001 |
| Smoking | Never: 974 (49.2%) | Never: 830 (50.3%) | Never: 144 (43.5%) | 0.002 |
| Not Asked: 412 (20.8%) | Not Asked: 346 (21.0%) | Not Asked: 66 (19.9%) | ||
| Passive: 5 (0.3%) | Passive: 3 (0.02%) | Passive: 2 (0.6%) | ||
| Quit: 507 (25.6%) | Quit: 399 (24.2%) | Quit: 108 (32.6%) | ||
| Yes: 82 (4.1%) | Yes: 71 (41.3%) | Yes: 11 (3.3%) | ||
| Alcohol | Never: 97 (4.9%) | Never: 82 (5.0%) | Never: 15 (4.5%) | 0.934 |
| No: 787 (39.7%) | No: 651 (39.5) | No: 136 (41.1%) | ||
| Not Asked: 471 (23.8%) | Not Asked: 389 (23.6%) | Not Asked: 82 (24.8%) | ||
| Not currently: 136 (6.9%) | Not currently: 114 (6.9%) | Not currently: 22 (6.6%) | ||
| Yes: 489 (24.7%) | Yes: 413 (25.0%) | Yes: 76 (23.0%) | ||
| DM | 0: 1,428 (72.1%) | 0: 1209 (73.3%) | 0: 219 (66.2%) | 0.008 |
| 1: 552 (27.9%) | 1: 440 (26.7%) | 1: 112 (33.8%) | ||
| Lung | 0: 1,867 (94.3%) | 0: 1563 (94.8%) | 0: 304 (91.8%) | 0.035 |
| 1: 113 (5.7%) | 1: 86 (5.2%) | 1: 27 (8.2%) | ||
| Heart | 0: 1,742 (88.0%) | 0: 1462 (88.7%) | 0: 280 (84.6%) | 0.038 |
| 1: 238 (12.0%) | 1: 187 (11.3%) | 1: 51 (15.4%) | ||
| Kidney | 0: 1,889 (95.4%) | 0: 1577 (95.6%) | 0: 312 (94.3%) | 0.276 |
| 1: 91 (4.6%) | 1: 72 (4.4%) | 1: 19 (5.7%) | ||
| Liver | 0: 1977 (99.8%) | 0: 1647 (99.9%) | 0: 330 (99.7%) | 0.423 |
| 1: 3 (0.2%) | 1: 2 (0.1%) | 1: 1 (0.3%) |
BMI: body mass index. Smoking: smoking. Alcohol: alcohol history. DM: history of diabetes mellitus. Lung: history of lung disease. Heart: history of heart disease. Kidney: history of kidney disease. Liver: history of Liver disease.