Table 1.
Survival to Hospital Discharge According to Patient and Hospital Characteristics*
| Variable | Intubated Patients | Non-intubated patients | ||
|---|---|---|---|---|
| Number (%) | Surviving number (%) | Number (%) | Surviving number (%) | |
| Patient characteristics | ||||
| Sex | ||||
| Male | 22,075 (52.3) | 2,073 (48.5) | 221,877 (51.6) | 40,592 (49.2) |
| Female | 20,088 (47.7) | 2,200 (51.5) | 207,922 (48.4) | 41910 (50.8) |
| Age (yr) | ||||
| Mean | 73.3±11.9 | 75.0±11.4 | ||
| 18- <65 | 6,866 (16.3) | 828 (19.4) | 54,222 (12.6) | 12,730 (15.4) |
| 65-69 | 6,133 (14.6) | 645 (15.1) | 56,021 (13.0) | 12,733 (15.4) |
| 70-74 | 7,625 (18.1) | 868 (20.3) | 73,587 (17.1) | 15,640 (19.0) |
| 75-79 | 8,039 (19.1) | 795 (18.6) | 85,478 (19.9) | 16,539 (20.1) |
| 80-84 | 7,041 (16.7) | 630 (14.7) | 78,708 (18.3) | 13,496 (16.4) |
| 85-89 | 4,330 (10.3) | 381 (8.9) | 53,252 (12.4) | 7,950 (9.6) |
| ≥90 | 2,128 (5.9) | 125 (2.9) | 28,494(6.6) | 3,377 (4.1) |
| Race | ||||
| White | 29,830 (70.8) | 3,219 (75.3) | 335,403 (78.0) | 67,013 (81.2) |
| Black | 9,136 (21.7) | 803 (18.8) | 70,406 (16.4) | 11,212 (13.6) |
| Other | 3,197 (7.6) | 251 (5.9) | 23,990 (5.6) | 4,277 (5.2) |
| Quan ( Chronic illness index) Score | ||||
| Mean | 2.4±1.9 | 2.4±1.9 | ||
| 0 | 4360 (10.4) | 453 (10.6) | 50029 (11.6) | 10,299 (12.5) |
| 1 | 10,290 (24.4) | 1,067 (25.0) | 109,459 (25.5) | 22,284 (27.0) |
| 2 | 11,620 (27.6) | 1,279 (29.9) | 111,382 (25.9) | 22,036 (26.7) |
| ≥3 | 15,893 (37.7) | 1,474 (34.5) | 158929(37.0) | 27,883 (33.8) |
| Admitted from a skilled nursing facility | ||||
| Yes | 1,424 (3.4) | 106 (2.5) | 9,788 (2.3) | 1,241 (1.5) |
| No | 40,739(96.6) | 4,167 (97.5) | 420,011 (97.7) | 81,261 (98.5) |
| Zip-code median annual income | ||||
| <$15,000 | 1,357 (3.2) | 59 (1.4) | 9,301 (2.2) | 789 (1.0) |
| $15,000-$29,999 | 9,686 (23.1) | 939 (22.0) | 89,873 (21.0) | 16,170 (19.7) |
| $30,000-$44,999 | 18,374 (43.9) | 1,994 (46.9) | 197,446 (46.2) | 39,365 (48.0) |
| $45,000-$59,999 | 7,738 (18.5) | 798 (18.8) | 82,169 (19.2) | 16,372 (20.0) |
| $60,000-$74,999 | 3,145 (7.5) | 312 (7.3) | 32,358 (7.6) | 6,303 (7.7) |
| ≥$75,000 | 1,602 (3.8) | 152 (3.6) | 15,709 (3.7) | 3,045 (3.7) |
| Hospital characteristics | ||||
| Number of beds | ||||
| <250 | 13,657 (32.5) | 1,619 (38.2) | 153,336 (36.1) | 30,475 (37.6) |
| 250-499 | 14,460 (34.4) | 1,385 (32.7) | 142,694 (33.6) | 26,886 (33.1) |
| ≥450 | 13,926 (33.1) | 1,236 (29.2) | 128,356 (30.2) | 23,804 (29.3) |
| Location | ||||
| Metropolitan | 36,697 (91.0) | 3,685 (88.6) | 343,352 (83.4) | 64,966(81.4) |
| Nonmetropolitan | 3,640 (9.0) | 474 (11.4) | 68,388 (16.6) | 14,894 (18.7) |
| Teaching status | ||||
| Teaching Hospital | 16,185 (38.5) | 1,454 (34.3) | 144,266 (34.0) | 26,869(33.1) |
| Non-teaching Hospital |
25,858 (61.5) | 2,786 (65.7) | 280,120 (66.0) | 54,296(66.9) |
*
p<0.001 for all comparisons of survival between ventilated patients and non-ventilated patients, except male sex (52.3% vs. 51.6%, p=0.006), and Quan (Chronic illness index) Score (2.4 ±1.9 vs. 2.4 ±1.9, p=0.22).