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Table 1 Background characteristics of Danish and Tanzanian TB patients

From: Negative effect of smoking on the performance of the QuantiFERON TB gold in tube test

 

Danish patients (n = 34)

Tanzanian patients (n = 172)

 

Non-smokers (n = 14)

Smokers (n = 20)

p

Non-smokers (n = 149)

Smokers (n = 23)

p

Male sex, n (%)

8 (57)

16 (80)

0.15

89 (60)

20 (87)

0.01

Age, median (range)

29 (24–76)

50 (23–62)

0.10

32 (15–84)

32 (22–69)

0.50

Alcohol, n (%)*

0 (0)

7 (35)

0.03

27(18)

16 (70)

<0.001

HIV, n (%)

1 (7)

3 (15)

0.63

71 (48)

4 (17)

0.01

  1. Demographic characteristics of Danish and Tanzanian study participants. P-values are for comparison between non-smokers and smokers (Wilcoxon signed rank test and chi-square test). *For Danish patients, alcohol is defined as daily consumption. For Tanzanian patients, alcohol is defined as simply reporting to consuming alcohol at any level.