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Table 3 Comparison of laboratory test indicators in the two study groups

From: Clinical features of severe fever with thrombocytopenia syndrome and analysis of risk factors for mortality

Clinical manifestations

Total (n = 100)

Non-fatal (n = 80)

Fatal (n = 20)

Wald x2 value

p value

OR (95% CI)

WBC(< 4 × 109/L)

80 (80%)

63 (78.8%)

17 (85%)

0.391

0.532

0.654 (0.171–2.496)

Platelet count(< 100 × 109/L)

98 (98%)

78 (97.5%)

20 (100%)

2.025

0.155

0.975 (0.941–1.010)

ALB(< 35 g/L)

64 (64%)

49 (61.3%)

15 (75%)

1.313

0.252

0.527 (0.174–1.595)

ALT(≥ 200U/L)

32 (32%)

24(30%)

8(40%)

0.735

0.391

0.643 (0.233–1.773)

AST(≥ 400U/L)

49(49%)

31 (38.8%)

18 (90%)

16.817

 < 0.001

0.070 (0.015–0.324)

ALP(≥ 150U/L)

13 (13%)

9 (11.3%)

4 (20%)

1.083

0.298

0.507(0.139–1.854)

CK(≥ 1000U/L)

36 (36%)

22 (27.5%)

14 (70%)

12.543

 < 0.001

0.163 (0.055–0.476)

CK-MB(≥ 100U/L)

11(11%)

5 (6.3%)

6 (30%)

9.219

0.002

0.156 (0.042–0.580)

LDH(≥ 1000U/L)

21 (21%)

6 (7.5%)

15 (75%)

43.942

 < 0.001

0.027 (0.007–0.100)

APTT(≥ 40 s)

82(82%)

63 (78.8%)

19 (95%)

2.862

0.091

0.195 (0.024–1.563)

PT(≥ 14 s)

18(18%)

13 (16.3%)

5 (40%)

0.830

0.362

0.582 (0.180–1.882)

SCr(≥ 110 mmol/L)

22 (22%)

10 (12.5%)

12 (60%)

21.037

 < 0.001

0.095 (0.031–0.290)

BUN(≥ 7.5 mmol/L)

43 (43%)

27 (33.8%)

16 (80%)

13.964

 < 0.001

0.127 (0.039–0.418)

CRP(≥ 8 mg/L)

62 (62%)

45 (56.3%)

17 (85%)

5.613

0.018

0.227 (0.062–0.836)