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Table 4 Univariate statistical analysis for screening EHSS parameters

From: Establishment and effectiveness evaluation of a scoring system for exertional heat stroke by retrospective analysis

Parameters Total (n = 90) Survival group (n = 69) Nonsurvival group (n = 21) P
T [°C,M(Q)] 40.7 (40.0–41.2) 40.5 (39.4–41.0) 41 (40.5–42.0) < 0.0001
MAP (mmHg, x ± s) 76.2 ± 19.1 75.7 ± 17.5 77.8 ± 23.9 0.06
RR [beats/min, M(Q)] 26 (20–30) 25 (20–30) 30 (26–35) 0.012
HR (beats/min, x ± s) 123 ± 35 118 ± 36 138 ± 27 0.089
GCS [score, M(Q)] 5.0 (3.0–8.0) 7.0 (3.5–9.0) 3.0 (3.0–3.5) < 0.0001
pH [M(Q)] 7.37 (7.27–7.39) 7.37 (7.35–7.40) 7.23 (7.23–7.27) < 0.0001
SaO2 [M(Q)] 92 (91–98) 92 (92–99) 91 (88–92) 0.007
HCO3(mmol/L, x ± s, na) 18.2 ± 4.8(na = 28) 19.5 ± 4.7(na = 24) 14.8 ± 3.4(na = 4) 0.429
Lac [mmol/L, M(Q)] 4.4 (3.6–7.3) 4.4 (3.3–4.8) 9.5 (8.0–10.5) < 0.0001
Hb [g/L, M(Q)] 130.0 (118.0–138.0) 130.0 (121.5–138.5) 118.0 (99.5–139.0) 0.058
WBC (× 1012/L, x ± s) 14.4 ± 6.2 13.9 ± 5.4 16.0 ± 8.3 0.026
N [%, M(Q)] 89.5 (84.9–92.0) 89.1 (85.0–91.3) 90.3 (82.0–93.3) 0.44
PLT [× 109/L, M(Q)] 55.0 (27.5–96.0) 64.0 (41.0–113.5) 24.0 (20.0–31.5) < 0.0001
TnI [ng/ml, M(Q), nb] 0.25 (0.10–1.10)(nb = 28) 0.19 (0.08–0.52) (nb = 21) 2.30 (0.73–7.00)(nb = 7) < 0.0001
LDH [U/L, M(Q)] 942.0 (459.8–1736.5) 806.0 (393.5–942) 2397.0 (1375.0–2397.0) < 0.0001
ALT [U/L, M(Q)] 231 (72.3–1087.8) 125 (64–456.5) 2995 (426.5–4296) < 0.0001
AST [U/L, M(Q)] 379.5 (122.2–1354.2) 270 (94.5–685) 3533 (920–3860.5) < 0.0001
TBIL [μmol/L, M(Q)] 33.1 (21.7–61.5) 28 (20.2–42) 107.7 (60.9–146.2) < 0.0001
DBIL [μmol/L, M(Q)] 16 (9.4–28.9) 12.5 (8.7–19.3) 50.2 (32.4–52) < 0.0001
ALB [g/L, M(Q)] 37.6 (35.2–40.9) 37.6 (35.1–41.3) 36.9 (35–40.7) 0.503
Cr [μmol/L, M(Q)] 145.5 (94.8–196.8) 136 (88.1–175.9) 237 (116.4–440.4) 0.001
BUN [mmol/L, M(Q)] 8.1 (6.3–9.9) 8.1 (6.1–9.6) 8.8 (6.5–16.2) 0.037
CK [U/L, M(Q)] 3412 (1588.3–6140.5) 2852 (1441.6–5723) 8850 (2327.7–35,237) 0.008
TT [s, M(Q)] 28.9 (18.7–37.8) 23.8 (17.9–37.8) 51 (29–56.7) 0.002
PT [s, M(Q)] 22.8 (16.4–43.2) 19.2 (15.8–26.5) 63.2 (39.6–93.2) < 0.0001
APTT [s, M(Q)] 58.2 (37.4–96.7) 50.1 (34.8–75.8) 96.7 (61.1–125.9) < 0.0001
Fib [g/L, M(Q)] 1.7 (1.12–2.04) 1.80 (1.48–2.13) 1.07 (0.59–1.42) < 0.0001
D-D [μg/ml, M(Q), nc] 3.16 (1.09–6.65)(nc = 30) 2.89 (1.07–8.52)(nc = 22) 4.45 (1.76–5.93)(nc = 8) 0.435
K+ [mmol/L, M(Q)] 3.4 (3.1–3.6) 3.4 (3.1–3.5) 3.6 (3.1–3.6) 0.204
Na+ [mmol/L, M(Q)] 137.8 (134.4–140.3) 137.8 (134.8–140.5) 135.9 (133.1–139.2) 0.112
Cl [mmol/L, M(Q) nd] 103.5 (99.7–106)(nd = 26) 104 (101–106)(nd = 20) 100.1 (99.0–104.8)(nd = 6) 0.27
Ca2+ [mmol/L, M(Q), ne] 1.83 (1.12–2.04)(ne = 20) 1.91 (1.16–2.09)(ne = 15) 1.30 (1.04–1.75)(ne = 5) 0.012
Glu [mmol/L, M(Q)] 8.57 (5.98–9.36) 8.77 (6.05–9.59) 7.57 (3.45–8.14) 0.055
AGI [n]     < 0.0001
Ia,b,c 41 39 2  
IId,e 37 25 12  
IIIf 8 3 5  
IV 4 2 2  
  1. na represents the missing values of HCO3; the missing rates between the above two groups is P = 0.281; nb represents the missing values of TnI; the missing rates between the above two groups is p = 0.802; nc represents the missing values of D-D; the missing rates between the above two groups is P = 0.597; nd represents the missing values of Cl; the missing rates between the above two groups is P = 0.971; ne represents the missing values of Ca2+, the missing rates between the above two groups is P = 0.842; aGrade I compared with grade II, P = 0.002; bGrade I compared with grade III, P = 0.001; cGrade I compared with grade IV, P = 0.034; dGrade II compared with grade III, P = 0.226; eGrade II compared with grade IV, P = 0.596; f Grade III compared with grade IV, P = 1. T Temperature, MAP Mean Arterial Pressure, RR Respiratory Rate, HR Heart Rate, GCS Glasgow Coma Scale, SaO2 Oxygen Saturation, Lac Lactate, Hb Haemoglobin, WBC White Blood Cell count, N Neutrophils, PLT Platelets, TnI Troponin I, LDH Lactate dehydrogenase, ALT Alanine Transaminase, AST Aspartate Transaminase, TBIL Total Bilirubin, DBIL Direct Bilirubin, ALB Albumin, Cr Creatinine, BUN Blood Urea Nitrogen, CK Creatine Kinase, TT Thrombin Time, PT Prothrombin Time, APTT Activated part of the Prothrombin Time, Fib Fibrinogen, D-D D-dimer, FDP Fibrin degradation products, K+ Potassium, Na+ Sodium, Cl- Chlorine, Ca2+ Calcium, Glu Glucose, AGI Acute Gastrointestinal Injury