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Table 4 Baseline characteristics in treatment

From: Baseline characteristics and survival of patients of idiopathic pulmonary fibrosis: a longitudinal analysis of the Swedish IPF Registry

 

Untreated

Anti-fibrotic treatment

P-value*

All

Pirfenidone

Nintedanib

Switched

 

N

150

330

166

142

22

 

Age, years, at enrolment into the registry

74.5 (70.0–79.0)

73.0 (67.0–77.0)

73.0 (68.0–78.0)

73.0 (67.0–78.0)

69.5 (64.0–73.0)

0.018

Age, years, at diagnosis

73.0 (69.0–78.0)

72.0 (66.0–77.0)

72.0 (67.0–77.0)

72.0 (66.0–77.0)

67.0 (63.0–70.0)

0.027

Gender (male, n, %)

100 (66.7)

242 (73.3)

128 (77.1)

98 (69.0)

16 (72.7)

0.135

Smoking history (yes, n, %)

99 (66.0)

218 (66.1)

118 (71.1)

88 (62.0)

12 (54.5)

0.99

BMI

26.2 (23.6–29.1)

27.1 (24.5–30.0)

26.9 (24.5–29.9)

27.2 (24.5–30.0)

27.9 (24.7–30.1)

0.052

FVC, % predicted

72.0 (62.0–86.0)

69.0 (60.0–82.0)

69.0 (60.0–80.0)

72.0 (60.5–85.0)

65.0 (61.0–77.0)

0.169

DLCO, % predicted

50.0 (42.0–59.5)

47.0 (37.0–56.0)

46.0 (36.0–56.0)

47.0 (37.0–56.0)

47.0 (41.0–56.0)

0.044

TLC, % predicted

66.0 (58.5–73.0)

65.0 (55.0–72.0)

64.0 (55.0–71.0)

65.0 (56.0–73.0)

66.0 (56.0–71.0)

0.072

CPI

44.1 (38.1–51.3)

48.9 (41.4–55.7)

49.7 (41.4–56.5)

48.9 (41.7–55.3)

46.2 (37.4–55.4)

0.002

GAP stage

2 (1–2)

2 (1–2)

2 (1–2)

2 (1–2)

1 (1–2)

0.426

6MWD (m)

418 (360–477)

430 (365–503)

420 (351–495)

435 (385–498)

473 (393–536)

0.211

  1. Data are presented as median (25th percentile-75th percentile) unless otherwise indicated. IPF idiopathic pulmonary fibrosis; BMI body mass index, FVC forced vital capacity; DLCO diffusing capacity of carbon monoxide, TLC total lung capacity, CPI composite physiological index, GAP gender-age-physiology index for IPF, 6MWD 6 min walking distance during 6MWT; *P-value was compared between untreated group and anti-fibrotic treatment group