Table 2 Effects of risk factors of 30-day mortality
Preop-eGFR (quartile) | Statistics | OR | 95% CI | P value |
|---|---|---|---|---|
Age Mean (STD), Year | 53.96 ± 16.88 | 1.07 | (1.06, 1.08) | < 0.0001 |
Sex N (%) | ||||
Male | 38,666 (48.36%) | 1.0 | ||
Female | 41,289 (51.64%) | 0.69 | (0.58, 0.82) | < 0.0001 |
Race N (%) | ||||
Chinese | 58,170 (72.76%) | 1.0 | ||
Indian | 6860 (8.58%) | 0.91 | (0.66, 1.25) | 0.5640 |
Malay | 7616 (9.53%) | 1.23 | (0.94, 1.61) | 0.1250 |
Others | 7305 (9.14%) | 0.63 | (0.44, 0.91) | 0.0134 |
Postop-transfusion within 30 days | ||||
0 units | 79,026 (98.84%) | 1.0 | ||
1 unit | 595 (0.74%) | 10.63 | (7.43, 15.21) | < 0.0001 |
2 or more units | 334 (0.42%) | 27.31 | (19.68, 37.90) | < 0.0001 |
Intraop-transfusion | ||||
0 units | 75,228 (94.09%) | 1.0 | ||
1 unit | 4727 (5.91%) | 10.72 | (8.98, 12.80) | < 0.0001 |
Preop-transfusion within 30 days | ||||
0 units | 78,160 (97.75%) | 1.0 | ||
1 unit | 963 (1.20%) | 12.78 | (9.60, 17.00) | < 0.0001 |
2 or more units | 832 (1.04%) | 23.71 | (18.59, 30.26) | < 0.0001 |
Anemia category N (%) | ||||
None | 57,906 (72.42%) | 1.0 | ||
Mild | 11,816 (14.78%) | 4.48 | (3.40, 5.89) | < 0.0001 |
Moderate and severe | 10,044 (12.56%) | 17.55 | (14.10, 21.86) | < 0.0001 |
NA | 189 (0.24%) | 5.72 | (1.40, 23.35) | 0.0150 |
Priority of surgery N (%) | ||||
Elective | 63,770 (79.76%) | 1.0 | ||
Emergency | 16,185 (20.24%) | 7.87 | (6.57, 9.44) | < 0.0001 |
Anesthesia type N (%) | ||||
General anaesthesia | 67,640 (84.60%) | 1.0 | ||
Regional anaesthesia | 12,315 (15.40%) | 1.18 | (0.94, 1.48) | 0.1525 |
Surgical risk | ||||
Low | 41,001 (51.28%) | 1.0 | ||
Moderate | 35,692 (44.64%) | 2.31 | (1.89, 2.82) | < 0.0001 |
High | 3262 (4.08%) | 7.53 | (5.75, 9.84) | < 0.0001 |
RDW N (%) | ||||
RDW ≤ 15.7% | 71,714 (89.69%) | 1.0 | ||
RDW > 15.7% | 7839 (9.80%) | 7.00 | (5.88, 8.34) | < 0.0001 |
NA | 402 (0.50%) | 1.79 | (0.57, 5.60) | 0.3175 |
CVA category | ||||
No | 54,149 (67.72%) | 1.0 | ||
Yes | 1507 (1.88%) | 5.60 | (4.03, 7.77) | < 0.0001 |
NA | 24,299 (30.39%) | 1.69 | (1.41, 2.03) | < 0.0001 |
IHD category | ||||
No | 51,310 (64.17%) | 1.0 | ||
Yes | 4126 (5.16%) | 8.32 | (6.63, 10.44) | < 0.0001 |
NA | 24,519 (30.67%) | 2.30 | (1.89, 2.80) | < 0.0001 |
CHF category | ||||
No | 56,876 (71.14%) | 1.0 | ||
Yes | 776 (0.97%) | 9.15 | (6.40, 13.09) | < 0.0001 |
NA | 22,303 (27.89%) | 1.75 | (1.46, 2.10) | < 0.0001 |
Dminsulin category | ||||
No | 55,206 (69.05%) | 1.0 | ||
Yes | 1929 (2.41%) | 3.98 | (2.84, 5.57) | < 0.0001 |
NA | 22,820 (28.54%) | 1.73 | (1.44, 2.07) | < 0.0001 |
Preop-eGFR | 84.45 ± 38.56 | 0.98 | (0.98, 0.98) | < 0.0001 |