Table 1 Baseline characteristics of the participants.

Age (months)

31 (20~40)

30 (17~45)

33 (20~43)

28 (18~38)

4.101

0.250

Gender male

65

16

80

30

1.410

0.703

             female

35

14

50

20

DC(ms)

6.06 (5.23~6.69)

5.43 (4.76~6.23)^a

5.47 (4.77~5.95)^a

3.70 (2.68~5.37)^{a, b, c}

60.027

<0.001

PNN50(%)

16 (8~28)

10 (5~19)^a

9 (2~16)^a

3 (0~10)^{a, b, c}

56.470

<0.001

rMSSD(ms)

45 (33~58)

42 (30~55)

37 (29~45)^a

32 (26~42)^{a, b}

21.507

<0.001

HF(ms²)

393.7(226.1~572.6)

146.4 (82.5~229.9)^a

118.5 (54.1~202.0)^a

70.3 (40.7~190.7)^{a, b}

123.624

<0.001

NT-proBNP (pg/ml)

—

105 (74~120)

398 (118~819)^b

867 (709~987)^{b, c}

65.583

<0.001

CRP (mg/dl)

—

1.5 (0.9~1.9)

3.9 (2.8~5.1)^b

6.3 (3.9~12.7)^{b, c}

88.325

<0.001