Table 3 Mortality according to preoperative parameters and mortality
Parameters | Patients N = 921 | % | Deaths (%) | X2 | p-value | OR (95% CI) |
|---|---|---|---|---|---|---|
Pre-anaesthetic Assessment | ||||||
 Yes | 840 | 91.2 | 74(8.8) |  |  | 1 |
 No | 81 | 8.8 | 9(11.1) | 0.5 | 0.48 | 1.29(0.62–2.69) |
History of surgery | ||||||
 Yes | 324 | 35.2 | 33(10.1) | 0.79 | 0.37 | 1.23(0.77–1.96) |
 No | 597 | 64.8 | 50 (8.4) |  |  | 1 |
History of GA | ||||||
 Yes | 265 | 28.8 | 30(11.2) | 2.3 | 0.12 | 1.44(0.90–2.31) |
 No | 656 | 71.2 | 53(8.1) |  |  | 1 |
Urgency of procedure | ||||||
 Emergency | 198 | 21.5 | 42(21.2) | 45.8 | 0.0001 | 4.48(2.81–7.12) |
 Non-Emergency | 723 | 78.5 | 41(5.7) |  |  | 1 |
ASA Physical Status | ||||||
 ASA 1 | 378 | 41.0 | 5(1.3) |  |  | 1 |
 ASA 2 | 409 | 44.4 | 30(34.2) | 16.7 | 0.0001 | 5.90(2.26–15.38) |
 ASA 3 | 111 | 12.1 | 38(34.2) | 115.8 | 0.0001 | 38.83(14.78–101.98) |
 ASA 4 | 23 | 2.5 | 10(43.5) | 107.0 | 0.0001 | 57.38(17.15–191.97) |
Vital signs | ||||||
 Normal | 697 | 75.7 | 40(5.7) |  |  | 1 |
 Deranged | 224 | 24.3 | 43(19.2) | 37.4 | 0.0001 | 3.90(2.46–6.18) |