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. 2024 Dec 16;12:e18702. doi: 10.7717/peerj.18702

Table 1. Comparison of clinical baseline data in the non-hypothermic and hypothermic groups.

Variables Total No-hypothermia group Hypothermia group p
n (%) 648 135 (20.83) 513 (79.17)
Patient characteristics
Sex, n (%) 0.83
Male 386 (59.57) 82 (60.74) 304 (59.26)
Female 262 (40.43) 53 (39.26) 209 (40.74)
Gestational week, mean (SD) 36.88 (3.03) 37.44 (2.77) 36.73 (3.08) 0.01
Age, mean (SD) 7.09 (7.31) 8.67 (8.37) 6.68 (6.96) <0.01
Preoperative weight, mean (SD) 2.76 (0.73) 2.95 (0.77) 2.72 (0.71) <0.01
Preoperative evaluation parameters
Initial vital signs
Preoperative temperature, mean (SD) 36.32 (0.33) 36.45 (0.24) 36.27 (0.34) <0.01
Laboratory test results
WBC, mean (SD) 13.43 (5.89) 13.17 (5.61) 13.49 (5.96) 0.59
RBC, mean (SD) 4.40 (0.81) 4.23 (0.79) 4.44 (0.82) 0.01
HB, mean (SD) 152.29 (28.95) 146.89 (30.69) 153.71 (28.33) 0.01
Intraoperative evaluation parameters
Surgery type, n (%) 0.01
General surgery 507 (78.24) 97 (71.85) 410 (79.92)
Urology Surgery 31 (4.78) 4 (2.96) 27 (5.26)
Cardiothoracic surgery 74 (11.42) 20 (14.81) 54 (10.53)
Others 36 (5.56) 14 (10.37) 22 (4.29)
Surgical method, n (%) 0.27
Open surgery (Thoracotomy & laparotomy) 267 (41.20) 50 (37.04) 217 (42.30)
Endoscopic surgery (Thoracoscope & laparoscope) 253 (39.04) 52 (38.52) 201 (39.18)
Others 128 (19.75) 33 (24.44) 95 (18.52)
ASA, n (%) 0.67
I/II 186 (28.70) 41 (30.37) 145 (28.27)
III 413 (63.73) 82 (60.74) 331 (64.52)
IV 49 (7.56) 12 (8.89) 37 (7.21)
Planned surgery, n (%) 1
No 393 (60.65) 82 (60.74) 311 (60.62)
Yes 255 (39.35) 53 (39.26) 202 (39.38)
Duration of anaesthesia, Mean (SD) 159.50 (78.52) 126.33 (63.20) 168.22 (79.87) <0.01
Infusion and transfusion volume (mL/kg), Mean (SD) 38.49 (24.51) 28.50 (20.82) 41.12 (24.75) <0.01
Blood loss (mL/kg), Mean (SD) 1.75 (2.49) 1.331 (2.07) 1.85 (2.58) 0.03
Outcomes
Hospital stay, Median (Q1,Q3) 15 (10, 23) 12 (8.5, 20) 16 (11, 24) <0.01