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Table 1 Demographic and clinical characteristics of ATB and non-TB patients

From: The TBAg/PHA ratio in T-SPOT.TB assay has high prospective value in the diagnosis of active tuberculosis: a multicenter study in China

Characteristic

ATB (n = 1549)

Non-TB (n = 724)

P value

Mean age (mean ± SD), years

45.56 ± 16.72

47.31 ± 17.25

 

Male sex

1052 (67.91)

456 (62.98)

0.053

History of TB

278 (17.95)

23 (3.18)

 < 0.01

Immunosuppressive conditions

382 (24.66)

125 (17.27)

 < 0.01

 Human immunodeficiency virus infection

8 (0.52)

1 (0.14)

0.287

 Hematologic malignancy

21 (1.36)

5 (0.69)

0.165

 Solid tumor

59 (3.81)

18 (2.49)

0.104

 Chronic renal failure

56 (3.62)

19 (2.62)

0.218

 Liver cirrhosis

48 (3.10)

10 (1.38)

0.016

 Autoimmune disease receiving treatment

86 (5.55)

31 (4.28)

0.202

 Transplantation receiving treatment

25 (1.61)

4 (0.55)

0.036

 Diabetes mellitus

79 (5.10)

37 (5.11)

0.992

Confirmed ATB

1091 (70.43)

  

 Xpert

893 (57.65)

  

 Culture

836 (53.97)

  

Probable ATB

458 (29.57)

  
  1. Data are presented as numbers (%) unless otherwise indicated
  2. TB tuberculosis, ATB active tuberculosis, SD standard deviation, AFS acid-fast staining, PCR polymerase chain reaction