Table 3 Respiratory symptoms, radiological features and disease severity scales of patients with bronchiectasis according to spirometric patterns.

From: Clinical characteristics, radiological features, and disease severity of bronchiectasis according to the spirometric pattern

Variables

Total

N = 506

Normal

N = 152

Obstructive

N = 261

Restrictive

N = 93

P-value

mMRC

0 (1–2)

0 (0–1)

1 (1–2)a,c

1 (0–2)b,c

< 0.001

Hemoptysis

150 (29.6)

45 (29.6)

79 (30.3)

26 (28.0)

0.916

BAE

36/150 (24.0)

8/45 (17.8)

20/79 (25.3)

8/26 (30.8)

0.431

Modified Reiff score

5 (3–8)

3 (2–6)

6 (3–10)a

5 (3–8)b

< 0.001

Bronchiectasis type

Cylindrical

358 (70.8)

106 (69.7)

185 (70.9)

67 (72.0)

0.926

Varicose

12 (2.4)

3 (2.0)

7 (2.7)

2 (2.2)

0.890

Cystic

315 (62.3)

87 (57.2)

167 (64.0)

61 (65.6)

0.301

Lung involvement

One lung

152 (30.0)

73 (48.0)

53 (20.3)a

26 (28.0) b

< 0.001

Both lungs

354 (70.0)

79 (52.0)

208 (79.7)a

67 (72.0)b

< 0.001

FACED score

2 (1–3)

1 (0–2)

3 (1–4)a,c

1 (1–3)b,c

< 0.001

FACED score risk class

    

< 0.001

Mild (0–2)

303 (59.9)

122 (80.3)

114 (43.7)a,c

67 (72.0)b,c

 

Moderate (3–4)

158 (31.2)

30 (197)

106 (40.6)a,c

22 (23.7)b,c

 

Severe (5–7)

45 (8.9)

0

41 (15.7)a,c

4 (4.3)b,c

 

BSI score

6 (4–10)

4 (2–7)

8 (5–11)a,c

6 (4–9)b,c

< 0.001

BSI score risk class

    

< 0.001

Mild (0–4)

179 (35.4)

80 (52.6)

63 (24.1)a,c

36 (38.7)b,c

 

Moderate (5–8)

211 (41.7)

62 (40.8)

109 (41.8)a,c

40 (43.0)b,c

 

Severe (9+)

116 (22.9)

10 (6.6)

89 (34.1)a,c

17 (18.3)b,c

 

Follow-up duration, months

28 (6–55)

17 (2–42)

36 (12–69)a,c

17 (4–43) c

< 0.001

  1. Data are presented as the median (interquartile range) or numbers (%).
  2. Due to Bonferroni correction with three comparisons, the P-value of 0.05 corresponds to 0.17 (0.05/3).
  3. mMRC modified Medical Research Council, BAE bronchial artery embolization, FACED Forced expiratory volume in 1 s (F), age (A), chronic colonization by Pseudomonas aeruginosa (C), extension fo the disease by radiological assessment (E), dyspnea (D), BSI Bronchiectasis Severity Index.
  4. aThere was a significant difference between normal lung function and the obstructive pattern.
  5. bThere was a significant difference between normal lung function and the restrictive pattern.
  6. cThere was a significant difference between the obstructive and restrictive patterns.
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