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Table 1 The demographic characteristic of the study population

From: Serum level of transforming growth factor-beta1 in major idiopathic interstitial pneumonia

Parameter

IIP group (N = 30)

Control group (N = 20)

P value

Age (years)

44 (40-57)

41.5 (39.25–55.25)

0.38^^

Sex (female)

17 (56.67%)

10 (50%)

0.82#

Smoking (No)

21 (70%)

10 (50%)

0.25#

  1. Numerical data normally distributed represented as mean ± SD and data not normally distributed represented as median (Q1–Q3), categorical data as number (%). Significant P value: < 0.05
  2. IIP idiopathic interstitial pneumonia, N number
  3. ^^Mann-Whitney rank sum test
  4. #Chi-square