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Table 2 Demographics of included patients divided by gender

From: Gender differences at presentation of idiopathic pulmonary fibrosis in Sweden

 MaleFemale
IPF-patients (N, % in total)250 (71.8)98 (28.1)
Age (Median, range)72 (46–88)72 (56–84)
BMI (M ± SD)27.0 ± 3.7427.3 ± 5.18
Smoking status
 Never smoker (N, % in gender)64 (25.6)39 (39.8)
 Ex-smoker (N, % in gender)169 (67.6)*53 (54.1)
 Smoker (N, % in gender)7 (2.8)5 (5.1)
 Missing info (N, % in gender)10 (4.0)1 (1.0)
 Packyear in ex-smokers (M ± SD)24.8 ± 15.1*17.8 ± 13.3
  1. N number(s), M mean, SD standard deviation, BMI body mass index
  2. *p < 0.05, male vs. female