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Table 1 Baseline characteristics in patients with IPAF and Non-FLD

From: Serum SP-A and KL-6 levels can predict the improvement and deterioration of patients with interstitial pneumonia with autoimmune features

 

IPAF

Non-FLD

P value

Number, n

64

41

–

Age, year

51.5 ± 13.15

54.7 ± 11.55

0.979

Female, n (%)

35 (54.69%)

24 (58.54%)

0.698

BMI (kg/m2)

24.33 ± 3.29

25.49 ± 3.46

0.194

Smoker, n (%)

18 (28.13%)

12 (29.27%)

0.899

DLCO (%Pred)

55.05 ± 12.9

–

–

FVC (%Pred)

70.11 ± 17.75

–

–

FEV1 (%Pred)

73.15 ± 16.6

–

–

  1. The data are presented as means ± standard deviation. Other variables are presented as numbers (percent). IPAF Interstitial pneumonia with autoimmune features, Non-FLD non-fibrotic lung diseases, BMI body mass index, DLCO diffusing capacity for carbon monoxide, FVC forced vital capacity, FEV1 forced expiratory volume in 1 s; %Pred, percent predicted