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Table 2 Vital signs and Laboratory data

From: Machine learning-based prediction models for accidental hypothermia patients

Variables Development cohort Validation cohort
(N = 288) (N = 244)
Vital signs
 Body temperature 30.7 (28.3–32.6) 31 (28–32.7)
 Heart rate 65 (50–82) 63 (45–84)
 SBP 116 (93–139) 113 (87–136)
 GCS 8 (5–11) 8 (4–11)
 13–15 105 (36.5%) 103 (42.2%)
 9–12 96 (33.3%) 68 (27.9%)
 3–8 87 (30.2%) 73 (29.9%)
Cardiac arrest 5 (1.7%) 16 (6.6%)
Blood gas assessment
 pH 7.32 (7.26–7.36) 7.31 (7.23–7.37)
 PaCO2 42.1 (32.8–47.8) 43.8 (37.3–50.4)
 PaO2 115.2 (90.1–156) 115.6 (76.3–183.8)
 HCO3 21 (15.6–25.4) 21.6 (16.7–25.3)
 Base Excess − 4.3 (− 10.2–0.1) − 4.4 (− 9.6–0.2)
 Lactate 2.6 (1.4–5.1) 3.2 (1.6–6.6)
Blood test results
 WBC 82.1 (53.3–127.3) 83 (51.3–120.8)
 Hgb 11.7 (10–13.4) 12 (10.3–13.5)
 Hct 35.3 (30–40.3) 36.4 (32–40.7)
 PLT 17.1 (12.2–22.8) 19.4 (13.5–24.5)
 Glu 127.5 (88.8–178) 141.7 (101–195)
 Na 139 (135–143) 140 (137–143)
 K 4.2 (3.6–4.7) 4 (3.5–4.6)
 Cl 103 (99–107) 103 (100–107)
 Ca 8.8 (8.4–9.3) 8.8 (8.3–9.2)
 Cr 1.1 (0.6–2) 0.9 (0.6–1.6)
 BUN 38 (20.4–60) 28.2 (17–51.7)
 TP 6.5 (5.8–7) 6.4 (5.7–7.2)
 Alb 3.4 (2.9–3.9) 3.5 (3–4)
 T-bil 0.6 (0.5–1.1) 0.6 (0.4–0.9)
 CK 503 (142.3–1388) 418.5 (129–1281.5)
 CRP 1.8 (0.4–6.2) 1.1 (0.1–4)
Score
 SOFA 4 [3–6] 4 [2–7]
 5A score 4 [3–5] 4 [2–5]
  1. ADL Activity of daily living, BT Body temperature, SBP Systolic blood pressure, GCS Glasgow coma scale, WBC White blood cell count, Hgb Hemoglobin, Hct Hematocrit, PLT Platelet count, BUN Blood urea nitrogen, TP Total protein, Alb Serum albumin, T-bil Total bilirubin, CK Creatine kinase, SOFA Sequential organ failure assessment score, categorical variables: n (%), continuous variables: median [interquartile range]