Table 1 Baselined characteristics of patients in SIRS group and non-SIRS group
Characteristics | All (N = 5696) | SIRS | P value | |
|---|---|---|---|---|
No (N = 4277) | Yes (N = 1419) | |||
Demographics | ||||
Age, years | 70.0 [67.0, 75.0] | 70.0 [67.0, 75.0] | 71.0 [67.0, 76.0] | < 0.001 |
Gender | < 0.001 | |||
Female | 2347 (41.20%) | 1826 (42.69%) | 521 (36.72%) | |
Male | 3349 (58.80%) | 2451 (57.31%) | 898 (63.28%) | |
Hypertension | 0.940 | |||
No | 2213 (38.85%) | 1660 (38.81%) | 553 (38.97%) | |
Yes | 3483 (61.15%) | 2617 (61.19%) | 866 (61.03%) | |
Diabetes mellitus | < 0.001 | |||
No | 3842 (67.45%) | 2981 (69.70%) | 861 (60.68%) | |
Yes | 1854 (32.55%) | 1296 (30.30%) | 558 (39.32%) | |
History of smoking | < 0.001 | |||
No | 4963 (87.13%) | 3770 (88.15%) | 1193 (84.07%) | |
Yes | 733 (12.87%) | 507 (11.85%) | 226 (15.93%) | |
ASA score | < 0.001 | |||
I/II | 3647 (64.03%) | 2989 (69.89%) | 658 (46.37%) | |
III/IV/V | 2049 (35.97%) | 1288 (30.11%) | 761 (53.63%) | |
Preoperative variables | ||||
Intubation before surgery | < 0.001 | |||
No | 5469 (96.01%) | 4217 (98.60%) | 1252 (88.23%) | |
Yes | 227 (3.99%) | 60 (1.40%) | 167 (11.77%) | |
Fever before surgery | < 0.001 | |||
No | 4928 (86.52%) | 3855 (90.13%) | 1073 (75.62%) | |
Yes | 768 (13.48%) | 422 (9.87%) | 346 (24.38%) | |
hs-CRP, mg/L | 6.48 [5.18,8.19] | 6.36 [5.11,7.90] | 6.98 [5.46,9.23] | < 0.001 |
Albumin, g/L | 39.9 [36.9,42.9] | 40.3 [37.3,43.1] | 38.7 [35.2,41.9] | < 0.001 |
hs-CRP/albumin | 0.16 [0.13,0.21] | 0.16 [0.12,0.20] | 0.18 [0.14,0.26] | < 0.001 |
ALT, U/L | 18.0 [13.0,26.0] | 17.0 [13.0,25.0] | 19.0 [13.0,30.0] | < 0.001 |
AST, U/L | 20.0 [17.0,27.0] | 20.0 [17.0,26.0] | 22.0 [17.0,31.0] | < 0.001 |
Creatinine, umol/L | 75.0 [62.0,91.0] | 74.0 [61.0,90.0] | 78.0 [62.0,96.0] | < 0.001 |
Hemoglobin, g/L | 128 [114,139] | 128 [116,139] | 125 [109,137] | < 0.001 |
WBC, 10^9/L | 6.39 [5.19,8.09] | 6.29 [5.13,7.81] | 6.91 [5.45,9.01] | < 0.001 |
Blood glucose, mmol/L | 5.41 [4.87,6.44] | 5.39 [4.86,6.33] | 5.49 [4.89,7.04] | < 0.001 |
HDL, mmol/L | 1.07 [0.88,1.29] | 1.09 [0.90,1.30] | 1.01 [0.80,1.24] | < 0.001 |
hs_CRP/HDL | 6.20 [4.43,8.56] | 5.95 [4.31,7.94] | 7.11 [4.83,10.9] | < 0.001 |
TG, mmol/L | 1.12 [0.83,1.56] | 1.12 [0.84,1.55] | 1.11 [0.82,1.58] | 0.465 |
TC, mmol/L | 4.58 [3.98,5.09] | 4.58 [4.05,5.14] | 4.58 [3.71,4.92] | < 0.001 |
LDL, mmol/L | 2.88 [2.22,3.57] | 2.93 [2.29,3.59] | 2.69 [2.02,3.44] | < 0.001 |
Neutrophil, 10^9/L | 3.85 [2.93,5.33] | 3.74 [2.87,5.04] | 4.28 [3.20,6.26] | < 0.001 |
NHR | 3.70 [2.53,5.53] | 3.50 [2.45,5.09] | 4.43 [2.84,7.39] | < 0.001 |