Table 1.
Characteristics of hospital admissions
| Raw dataseta n (%) | Analysis cohort n (%) | |||
|---|---|---|---|---|
| Total | 112,001 | (100) | 85,023 | (100) |
| Females | 51,539 | (46.0) | 39,197 | (46.1) |
| Males | 60,462 | (54.0) | 45,826 | (53.9) |
| Newborns | 18,357 | (16.4) | 14,986 | (17.6) |
| Infants | 33,643 | (30.0) | 28,783 | (33.9) |
| Children | 53,766 | (48.0) | 41,254 | (48.5) |
| Adults | 6,235 | (5.6) | – | – |
| Outcome of hospital admission | ||||
| Discharge | 103,585 | (92.5) | 79,786 | (93.8) |
| Death | 6,806 | (6.1) | 5,237 | (6.2) |
| Transfer | 1,610 | (1.4) | – | – |
| Risk category of highest-risk operation at the admission | ||||
| Unclassified | 13,171 | (11.8) | – | – |
| 1 | 20,625 | (18.4) | 17,935 | (21.1) |
| 2 | 32,338 | (28.9) | 28,389 | (33.4) |
| 3 | 35,178 | (31.4) | 29,434 | (34.6) |
| 4 | 7,688 | (6.9) | 6,563 | (7.7) |
| 5&6 | 3,001 | (2.7) | 2,702 | (3.2) |
| Operations per admission | ||||
| 1 | 106,829 | (95.4) | 82,663 | (97.2) |
| 2 | 4,486 | (4.0) | 2,148 | (2.5) |
| 3 | 565 | (0.5) | 185 | (0.2) |
| 4 | 87 | (0.1) | 24 | (< 0.1) |
| 5 | 25 | (< 0.1) | 3 | (< 0.1) |
| 6 or more | 9 | (< 0.1) | ||
a
Excluding 29 admissions with missing or inconsistent data