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Table 1 Blood gas and serum biochemical factors in four HFMD groups (\( \overline{x}\pm s \))

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

Index Critical Severe Common Control
n 24 29 30 29
Lac (mmol/L) 2.775 ± 1.535 1.459 ± 0.916a 1.498 ± 0.673a 1.345 ± 0.580a
Glu (mmol/L) 13.237 ± 6.936 6.479 ± 2.171a 5.843 ± 1.411a 5.324 ± 0.930a
PaO2/FiO2 214.286 ± 154.346 373.671 ± 98.993a 438.929 ± 81.367a,c 408.498 ± 28.911ac
BNP (pmol/L) 38.83 (15.85,114.38) 3.42 (1.84,6.95)b 2.15 (0.87,5.56)b 2.71 (1.53,6.18)b
CO (L/min) 2.433 ± 0.623 2.660 ± 0.621 2.735 ± 0.681 2.781 ± 0.640
WBC (×109/L) 17.245 ± 6.022 10.111 ± 2.617a 10.697 ± 2.501a 9.352 ± 3.236a
  1. a p < 0.05, comparison of critical group to other groups
  2. b p < 0.01, comparison of critical group to other groups [the data for BNP were not normally distributed. The nonparametric analysis showed significant differences in BNP levels (γ2 45.388, p < 0.05) among the groups. Nonparametric test was used for comparison between the two groups. p value was set as 0.01]
  3. c p < 0.05, comparison of severe group to other groups