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Table 1 Clinical characteristics of the study population

From: Serial interferon-gamma release assays for latent tuberculosis in dialysis patients with end stage renal disease in a Korean population

Clinical characteristics

Total (n = 93)

HD (n = 43)

PD (n = 50)

P-value

Mean age, years (range)

51.6 (23–74)

52.8 (31–74)

50.6 (23–72)

0.41

Gender (Male : Female)

43:50

19:24

24:26

0.71

BMI, kg/m2, mean ± SD

23.0 ± 3.7

22.6 ± 3.1

23.3 ± 4.3

0.44

Cause for ESRD

    

 DM

34 (36.6)

19 (44.2)

15 (30.0)

0.23

 HTN

44 (47.3)

19 (44.2)

25 (50.0)

0.73

aOthers

15 (16.1)

5 (11.6)

10 (20.0)

0.66

Use of steroid

2 (2.2)

1 (2.3)

1 (2)

1.0

Previous TB treatment (%)

0 (0)

0 (0)

0 (0)

1.0

Presence of BCG scar (%)

62/93 (66.7)

19/43 (44.2)

43/50 (86.0)

0.001

Baseline QFT-IT + (%)

39/93 (41.9)

19/43 (44.2)

20/50 (40.0)

0.68

2nd QFT-IT + (%)

32/93 (34.4)

b19/43 (44.2)

13/50 (26.0)

0.07

Old TB lesion (%)

35/93 (37.6)

14/43 (32.6)

21/50 (42.0)

0.35

LTBI treatment among initial QFT-IT + (%)

18/39 (46.2)

5/19 (26.3)

13/20 (65.0)

0.02

 Isoniazid: Rifampicin

10:8

3:2

7:6

1.0

  1. aOthers include autoimmune diseases, glomerulonephritis, polycystic kidney diseases, and unknown diseases
  2. bOne of 19 patients showed conversion from negative to positive result
  3. HD Hemo-dialysis, PD peritoneal dialysis, BMI body mass index, TB tuberculosis, LTBI latent TB infection, BCG bacille Calmette-Guérin, QFT-IT QuantiFERON-TB Gold In-Tube, SD standard deviation