Table 1. Demographic data for subjects used in this study.

Characters	GSE32537 (93 IPF)	GSE47460 (86 IPF)
Age (years)	62.81 ± 8.32	63.65 ± 7.89
SGRQ score	46.81 ± 20.90	–
FEV1% predicted	–	68.20 ± 16.88
FVC% predicted	62.76 ± 15.86	61.38 ± 15.35
Dlco% predicted	46.76 ± 20.22	47.28 ± 18.71
Sex (%)
Male	62(67)	61(71)
Female	31(33)	25(29)
Smoking history (%)
Non-smoke	32(34)	30(35)
Former	61(66)	56(65)

Notes.

Data are presented as mean ± SD or n(%).