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Table 2 Blood gas and serum biochemical factors in four stages of HFMD (\( \overline{x} \) ± s)

From: B-type brain natriuretic peptide as a measure of the severity of hand-foot-mouth disease: a case-control study

Indexes Phase I Phase II Phase III Phase IV
n 30 29 13 11
Lac (mmol/L) 1.3 (1.0,1.93) 1.1 (1.0,1.6) 2.1 (1.55,3.05) 2.3 (1.9,4.3)
Glu (mmol/L) 5.8 (4.68,6.55) 5.99 (5.15,6.90) 11.2 (7.90,14.25) 12.2 (9.7,19.9)
PaO2/FiO2 453.57 (416.07,487.50) 421.43 (408.93,460.71) 228.75 (136.63,408.93) 135.0 (80.36,256.88)
BNP (pmol/L) 5.8 (4.68,6.55) 3.42 (1.84,6.95) 54.78 (16.74,123.74) 25.82 (8.48,44.83)
CO (L/min) 2.735 ± 0.681 2.660 ± 0.621 2.289 ± 0.477 2.692 ± 0.704
WBC(×109/L) 10.697 ± 2.501a,c 10.111 ± 2.617a,c 15.183 ± 5.123a 19.682 ± 6.313c
  1. a p < 0.05, comparison of Phase IV group to other groups
  2. b p < 0.01, comparison of Phase IV group to other groups
  3. c p < 0.05, comparison of Phase III group to other groups