Table 1.
Baseline characteristics of surgical patients by sepsis before and after matching.
| Factors | No sepsis | Sepsis n (%) | P-valuea | ||
|---|---|---|---|---|---|
| Raw sample n (%) | Matched sample n (%) | Raw sample | Matched sample | ||
| N | 1,025,221 | 5,996 | 5,996 | ||
| Age, mean (SD) | 46.9 (17.3) | 52.5 (18.0) | 52.3 (17.9) | < 0.001b | 0.65 b |
| Gender | |||||
| Male | 613,861 (59.9) | 3747 (62.5) | 3733 (62.3) | < 0.001 | 0.79 |
| Female | 411,360 (40.1) | 2249 (37.5) | 2263 (37.7) | ||
| Region | |||||
| Northern Midlands and Mountainous | 134,976 (13.2) | 1031 (17.2) | 1010 (16.8) | < 0.001 | 0.98 |
| Red River Delta | 229,401 (22.4) | 882 (14.7) | 879 (14.7) | ||
| North Central and South Central Coast | 259,894 (25.4) | 1825 (30.4) | 1808 (30.2) | ||
| Central Highland | 60,444 (5.9) | 240 (4.0) | 244 (4.1) | ||
| Southeast | 182,402 (17.8) | 646 (10.8) | 662 (11.0) | ||
| Mekong River Delta | 158,104 (15.4) | 1372 (22.9) | 1393 (23.2) | ||
| Emergency hospitalization | 196,872 (19.2) | 1253 (20.9) | 1310 (21.8) | 0.20 | |
| Preoperative concomitant diseases | |||||
| Heart failure | 7055 (0.7) | 95 (1.6) | 96 (1.6) | < 0.001 | 0.94 |
| Valvular heart disease | 3940 (0.4) | 33 (0.6) | 29 (0.5) | 0.22 | 0.61 |
| Peripheral vascular disease | 2109 (0.2) | 30 (0.5) | 49 (0.8) | < 0.001 | 0.032 |
| Arrhythmia | 5999 (0.6) | 52 (0.9) | 63 (1.1) | < 0.001 | 0.30 |
| Hypertension | 91,907 (9.0) | 947 (15.8) | 959 (16.0) | < 0.001 | 0.76 |
| Cerebrovascular disease | 25,476 (2.5) | 235 (3.9) | 246 (4.1) | < 0.001 | 0.61 |
| Paralysis | 986 (0.1) | 9 (0.2) | 8 (0.1) | 0.35 | 0.81 |
| Chronic lung disease | 15,907 (1.6) | 145 (2.4) | 148 (2.5) | < 0.001 | 0.86 |
| Diabetes | 36,439 (3.6) | 655 (10.9) | 630 (10.5) | < 0.001 | 0.46 |
| Complicated diabetes | 583 (0.1) | 34 (0.6) | 41 (0.7) | < 0.001 | 0.42 |
| Gastritis | 104,258 (10.2) | 814 (13.6) | 825 (13.8) | < 0.001 | 0.77 |
| Hypothyroidism | 1231 (0.1) | 8 (0.1) | 9 (0.2) | 0.50 | 0.81 |
| Chronic renal failure | 6069 (0.6) | 124 (2.1) | 120 (2.0) | < 0.001 | 0.80 |
| Liver diseases | 24,108 (2.4) | 293 (4.9) | 290 (4.8) | < 0.001 | 0.90 |
| Metastatic cancer | 4797 (0.5) | 28 (0.5) | 34 (0.6) | 0.26 | 0.44 |
| Cancer | 44,609 (4.4) | 213 (3.6) | 220 (3.7) | < 0.001 | 0.73 |
| Joint disease | 11,616 (1.1) | 132 (2.2) | 132 (2.2) | < 0.001 | 1.00 |
| Weight loss | 8453 (0.8) | 64 (1.1) | 88 (1.5) | < 0.001 | 0.050 |
| Fluid and Electrolyte Disorders | 1476 (0.1) | 29 (0.5) | 34 (0.6) | < 0.001 | 0.53 |
| Anemia | 3483 (0.3) | 32 (0.5) | 46 (0.8) | < 0.001 | 0.11 |
| Clotting disorder | 556 (0.1) | 6 (0.1) | 7 (0.1) | 0.049c | 0.78 |
| Depression/Addiction | 585 (0.1) | 0 (0.0) | 0 (0.0) | 0.064 | – |
aChi-squared test unless otherwise stated.
bt test.
cFisher's exact test.