Skip to main content

Table 9 Comparison of laboratory data among patients with different Ct values in those who were tested using the Roche rt-PCR machine

From: Initial viral cycle threshold values in patients with COVID-19 and their clinical significance

Variable

Ct value

N

Mean

Std. deviation

95% Confidence interval for mean

P-value

Lower bound

Upper bound

WBC range

Low

40

5.23

2.50

4.43

6.03

0.13

Medium

38

6.72

3.88

5.44

7.99

High

9

5.79

2.67

3.74

7.84

PMN range

Low

40

3.47

2.01

2.83

4.12

0.03*

Medium

39

4.69

3.21

3.65

5.73

High

9

8.42

13.45

− 1.91

18.76

Lymph% range

Low

40

23.00

14.15

18.48

27.53

0.93

Medium

38

21.97

12.73

17.79

26.16

High

9

21.62

11.65

12.66

30.58

Lymph range

Low

40

1.20

0.67

0.99

1.42

0.72

Medium

39

1.36

1.09

1.01

1.71

High

9

1.28

0.64

0.79

1.77

Plat range

Low

40

215.69

86.29

188.10

243.29

0.61

Medium

39

236.83

98.59

204.87

268.79

High

9

227.76

106.47

145.91

309.60

ALT range

Low

17

46.36

30.79

30.53

62.19

0.18

Medium

8

54.10

39.43

21.13

87.07

High

3

89.33

56.05

− 49.90

228.56

AST range

Low

40

50.17

34.22

39.22

61.11

0.89

Medium

39

52.70

63.22

32.21

73.19

High

8

59.30

43.10

23.27

95.33

LDH range

Low

39

304.99

148.97

256.70

353.28

0.08

Medium

39

385.71

171.43

330.14

441.28

High

8

357.95

114.86

261.92

453.97

D-dimer

Low

39

1.18

1.69

0.63

1.73

0.2

Medium

39

4.37

11.66

0.59

8.15

High

9

1.59

2.43

− 0.28

3.47

Ferritin

Low

39

476.51

642.60

268.20

684.82

0.16

Medium

39

923.46

1337.36

489.94

1356.98

High

8

720.24

651.14

175.87

1264.60

CRP

Low

39

60.81

63.56

40.21

81.41

0.04*

Medium

37

99.25

79.10

72.87

125.62

High

8

53.08

62.04

1.21

104.94

Procalcitonin

Low

38

1.25

6.88

− 1.01

3.51

0.63

Medium

37

3.61

17.56

− 2.25

9.46

High

9

0.14

0.12

0.05

0.23