Table 1.
Characteristics of 412 patients with perforated ulcer given according to survival within 30 days after surgery
| Survival status 30 days after surgery | |||||
|---|---|---|---|---|---|
| All (n = 412) | Dead (n = 115) | Alive (n = 290) | Missing data on survival (n = 7) | ||
| Age at time of hospital admission, years | Mean (median) | 69.1 (71.7) | 77.2 (78.2) | 66.5 (66.9) | 42.1 (37.2) |
| Range | 19.5–97.0 | 49.1–97.0 | 23.4–94.4 | 19.5–94.5 | |
| Gender, n (%) | Female | 239 (100) | 71 (29.7) | 166 (69.5) | 2 (0.8) |
| Male | 173 (100) | 44 (25.4) | 124 (71.7) | 5 (2.9) | |
| ASA score*, n (%) | 1–2 | 204 (100) | 25 (12.3) | 174 (85.3) | 5 (2.5) |
| 3–4 | 189 (100) | 80 (42.3) | 107 (56.6) | 2 (1.1) | |
| 5 | 8 (100) | 6 (75.0) | 2 (25.0) | – | |
| Missing | 11 (100) | 4 (36.4) | 7 (63.6) | – | |
| Number of co-morbid diseases, n (%) | None | 138 (100) | 17 (12.3) | 116 (84.1) | 5 (3.6) |
| 1 | 173 (100) | 57 (33.0) | 115 (66.5) | 1 (0.6) | |
| 2 | 73 (100) | 28 (38.4) | 45 (61.6) | – | |
| ≥3 | 27 (100) | 13 (48.2) | 13 (48.2) | 1 (3.7) | |
| Missing | 1 (100) | – | 1 (100) | – | |
| Symptom duration before hospital admission, n (%) | ≤6 hours | 133 (100) | 26 (19.6) | 105 (79.0) | 2 (1.5) |
| 7–24 hours | 127 (100) | 28 (22.1) | 95 (74.8) | 4 (3.2) | |
| ≥25 hours | 103 (100) | 37 (35.9) | 66 (64.1) | – | |
| Missing | 49 (100) | 24 (49.0) | 24 (49.0) | 1 (2.0) | |
| Circulatory instable at time of hospital admission**, n (%) | Yes | 30 (100) | 13 (43.3) | 17 (56.7) | – |
| No | 374 (100) | 96 (25.7) | 271 (72.5) | 7 (1.9) | |
| Missing | 8 (100) | 6 (75.0) | 2 (25.0) | – | |
| Surgery within 6 hours***, n (%) | Yes | 317 (100) | 80 (25.2) | 232 (73.2) | 5 (1.6) |
| No | 23 (100) | 8 (34.8) | 15 (65.2) | – | |
| Time difference could not be computed | 72 (100) | 27 (37.5) | 43 (59.7) | 2 (2.8) | |
*
Notes: ASA score: score 1, a completely healthy patient; score 2, a patient with mild systemic disease; score 3, a patient with severe systematic disease that is not incapacitating; score 4, a patient with incapacitating disease that is a constant threat to life; and score 5, a moribund patient who is not expected to live 24 hours with or without surgery;
**
Blood pressure &1e; 100 mm Hg and heart rate ≥ 100/min;
***
Between time of anesthesiological evaluation and start of surgery.