Table 1 Study population characteristics: sampled admissions and deaths
Characteristics | Sampled cases | Deaths |
|---|---|---|
Number of cases (% of total) | 1103 (100.0) | 94 (8.5) |
Demographics | ||
Age (years) | ||
Mean age in years (SD) | 46.9 (19.1) | 61.9 (16.7) |
Median | 46 | 65 |
Mode (Range) | 25 (18-92) | 71 (20-92) |
Age bracket (%) | ||
18-49 | 56.4 | 21.3 |
50-59 | 14.0 | 18.1 |
60-69 | 13.9 | 23.4 |
70-79 | 11.1 | 23.4 |
80-99 | 4.6 | 13.8 |
Women (%) | 61.3 | 47.9 |
Comorbidity | ||
Record of 1 secondary diagnosis (%) | 54.2 | 87.2 |
Record of 2 secondary diagnoses (%) | 33.0 | 75.5 |
Record of 6 secondary diagnoses (%) | 2.5 | 8.5 |
Charlson index (% by score) | ||
Primary diagnosis | ||
0 | 82.0 | 57.4 |
1 | 18.0 | 42.6 |
Secondary diagnoses | ||
0 | 75.1 | 46.8 |
1 | 13.2 | 24.5 |
≥ 2 | 11.7 | 28.7 |
Type of admission (%) | ||
Elective | 44.6 | 14.9 |
Urgency/Emergency | 55.4 | 85.1 |
Specialty (%) | ||
Obstetrics | 19.5 | 0 |
Non-obstetrics | 80.5 | 100.0 |
Procedure performed (%) | 77.5 | 72.3 |
Length of stay (days) | ||
Mean (SD) | 12.8 (23.6) | 25.2 (33.4) |
Median | 5.0 | 16.5 |
Mode | 2.0 | 7.0* |
Range | 1-408 | 1-236 |
Adverse event | ||
Number of patients (% of total) | 84 (7.6) | 32 (34.0)** |
Preventable adverse event | ||
Number of patients (% of total) | 56 (5.1) | 25 (26.6) ** |
Non-preventable adverse event | ||
Number of patients (% of total) | 28 (2.5) | 7 (7.5) ** |