Table 1 Clinical characteristics of patients underwent TBLC

Gender, M/F

8/9

4/6

4/3

0.637

Age, yrs. (Median, IQR)

50.0(43.0–57.5)

47.5(43.2–53.0)

55.0(42.0–60.0)

0.283

Smoking History, Y/N

7/10

4/6

3/4

1.000

Environmental or occupational exposure, Y/N

3/14

3/7

0/7

0.228

Comorbidities, Y/N

6/11

3/7

3/4

0.644

FVC predicted, % (Median, IQR)

86(66–104)

80(62–105)

87(67–103)

0.625

DLco predicted, % (Median, IQR)

67(58–84)

63(52–69)

82(73–86)

0.051

6MWD, m (Median, IQR)

535(503–554)

538(510–563)

520(411–550)

0.354

Minimal SpO₂ in 6MWT, % (Median, IQR)

92(88–95)

92(85–95)

93(90–95)

0.553

Platelet count, × 10⁹/L (Median, IQR)

207(168–253)

182(166–242)

246(183–273)

0.172

PT, s (Median, IQR)

13.1(12.8–13.5)

13.2(12.9–13.5)

12.8(12.6–13.2)

0.221

aPTT, s (Median, IQR)

36.4(33.7–41.0)

37.0(33.7–42.7)

35.2(31.5–38.3)

0.305