Table 2 The univariate unconditional logistic regression analysis of covariates for in-hospital mortality
Covariates | Survive | Death | OR (95% CI) |
|---|---|---|---|
Age (year) | |||
18–44 | 91 (97.8%) | 2 (2.2%) | 1.000 |
45–59 | 165 (93.8%) | 11 (6.3%) | 3.033 (0.658, 13.984) |
60–74 | 119 (96.0%) | 5 (4.0%) | 1.912 (0.363, 10.079) |
75–89 | 11 (100.0%) | 0 (0.0%) | – |
Gender | |||
Male | 300 (95.5%) | 14 (4.5%) | 1.000 |
Female | 86 (95.6%) | 4 (4.4%) | 1.003 (0.322, 3.127) |
Hypertension | |||
No | 107 (94.7%) | 6 (5.3%) | 1.000 |
Yes | 279 (95.9%) | 12 (4.1%) | 0.767 (0.281, 2.095) |
Coronary heart disease | |||
No | 357 (96.0%) | 15 (4.0%) | 1.000 |
Yes | 24 (75.0%) | 8 (25.0%) | 6.899 (3.598, 38.583) |
Diabetes | |||
No | 378 (95.7%) | 17 (4.3%) | 1 |
Yes | 8 (88.9%) | 1 (11.1%) | 2.779 (0.329, 23.503) |
COPD | |||
No | 383 (95.5%) | 18 (4.5%) | 1.000 |
Yes | 3 (100.0%) | 0 (0.0%) | – |
Renal dysfunctiona | |||
No | 300 (93.2%) | 22 (6.8%) | 1.000 |
Yes | 61 (74.4%) | 21 (25.6%) | 1.066 (0.537, 4.998) |
Malperfusion syndromes | |||
No | 303 (91.3%) | 29 (8.7%) | 1.000 |
Yes | 60 (83.3%) | 12 (16.7%) | 2.033 (0.155, 5.684) |
Average minimum temperature on the day of onset (°C) | |||
< 11.00 | 83 (98.8%) | 1 (1.2%) | 1.000 |
[11.00, 16.00] | 112 (95.7%) | 5 (4.3%) | 3.705 (0.425, 32.314) |
(16.00–23.00] | 98 (97.0%) | 3 (3.0%) | 2.541 (0.259, 24.890) |
> 23.00 | 93 (91.2%) | 9 (8.8%) | 8.032 (0.996, 64.750) |
Average daily temperature difference (°C) | |||
< 5.00 | 75 (97.4%) | 2 (2.6%) | 1.000 |
[5.00, 7.00] | 136 (93.8%) | 9 (6.2%) | 2.482 (0.523, 11.785) |
(7.00, 9.00] | 105 (96.3%) | 4 (3.7%) | 1.429 (0.255, 8.002) |
> 9.00 | 70 (95.9%) | 3 (4.1%) | 1.607 (0.261, 9.905) |
Air Quality Index, AQI | |||
0–50 | 244 (94.9%) | 13 (5.1%) | 1.000 |
51–100 | 140 (96.6%) | 5 (3.4%) | 0.670 (0.234, 1.920) |
101–150 | 2 (100.0%) | 0 (0.0%) | – |
Season* | |||
Spring | 74 (93.7%) | 5 (6.3%) | 1.000 |
Summer | 69 (90.8%) | 7 (9.2%) | 2.770 (0.643, 11.930) |
Autumn | 108 (87.8%) | 15 (12.2%) | 4.159 (1.042, 16.604) |
Winter | 123 (97.6%) | 3 (2.4%) | 1.025 (0.203, 5.179) |
Weekend surgery history | |||
No | 313 (95.7%) | 14 (4.3%) | 1.000 |
Yes | 73 (94.8%) | 4 (5.2%) | 1.225 (0.392, 3.831) |
Admission route | |||
Outpatient admission | 13 (92.9%) | 1 (7.1%) | 1.000 |
Emergency admission | 372 (95.4%) | 18 (4.6%) | 4.488 (1.074, 5.655) |