Table 1.
Characteristics of mechanically ventilated patients discharged alive from acute care hospitals
| Characteristic | Entire Cohort |
Standardized Mean Difference | |
|---|---|---|---|
| New York |
Ontario |
||
| (n = 71,063) | (n = 41,875) | ||
| Age, mean (SD), yr | 61.8 (18.3) | 61.3 (16.6) | 0.03 |
| Male, n (%)* | 38,369 (54.0) | 25,484 (60.9) | 0.14 |
| Household income (quintiles), n (%)† | |||
| 1 (lowest) | 21,790 (30.7) | 9,832 (23.6) | 0.36 |
| 2 | 8,884 (12.5) | 8,960 (21.5) | |
| 3 | 9,089 (12.8) | 8,071 (19.4) | |
| 4 | 13,889 (19.5) | 7,706 (18.5) | |
| 5 (highest) | 17,411 (24.5) | 7,039 (16.9) | |
| Mechanical ventilation, n (%) | |||
| <96 h without tracheostomy‡ | 41,517 (58.5) | 29,977 (71.6) | 0.28 |
| ≥96 h without tracheostomy‡ | 19,255 (27.1) | 8,000 (19.1) | |
| Any mechanical ventilation with tracheostomy | 10,231 (14.4) | 3,898 (9.3) | |
| Dialysis during hospitalization, n (%) | |||
| No | 66,430 (93.5) | 39,195 (93.6) | 0.21 |
| Yes–acute | 2,099 (3.0) | 2,284 (5.5) | |
| Yes–ESRD | 2,534 (3.6) | 396 (0.9) | |
| Charlson comorbidity index, n (%) | |||
| 0 | 19,754 (27.8) | 12,170 (29.1) | 0.12 |
| 1–2 | 30,414 (42.8) | 15,669 (37.4) | |
| ≥3 | 20,895 (29.4) | 14,036 (33.5) | |
| Length of index hospital stay, median (IQR) | 15 (8–28) | 16 (9–30) | |
| Length of index hospital stay, mean (SD) | 23.0 (29.1) | 27.2 (39.2) | 0.12 |
| Discharge destination, n (%) | |||
| Home | 22,609 (31.8) | 20,225 (48.3) | 0.40 |
| Home with health services | 15,508 (21.8) | 9,688 (23.1) | |
| Other§ | 32,946 (46.4) | 11,962 (28.6) | |
| Percentage rehospitalized within 30 d, n (%) | 15,527 (21.8) | 5,580 (13.3) | 0.22 |
| 30-d mortality | 3,834 (5.4) | 1,012 (2.4) | 0.16 |
| 180-d mortality | 9,608 (13.5) | 3,151 (7.5) | 0.20 |
Definition of abbreviations: ESRD = end-stage renal disease; IQR = interquartile range; SD = standard deviation.
*
Two patients were missing data for sex in New York.
†
Data on household income missing for 267 patients in Ontario.
‡
Tracheostomy performed at any time during hospitalization.
§
Other discharge destination in Ontario includes: long-term care (3.1%); rehabilitative care (14.3%); complex continuing care (6.0%); acute care (1.2%); facilities and others (4.0%). In New York, it includes: skilled nursing facility (34.3%); rehabilitation facility (2.7%); hospice (2.4%); other hospital (3.1%); and others (3.9%).