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. 2022 Feb 7;8(1):00485-2021. doi: 10.1183/23120541.00485-2021

TABLE 1.

Characteristics of patients with diffuse idiopathic pulmonary neuroendocrine cell hyperplasia referred for asthma management

Patients
1 2 3 4 5 6 7 8 9 10
Age (years) 68 77 76 56 50 71 65 66 55 62
Gender F F F F F F F M F F
BMI (kg·m−2) 29.4 23.1 22.8 32.3 24.8 26.2 27.6 25.0 25.9 22.7
History of smoking No No No Yes No No No No No Yes
Dry cough Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Cough duration (years) >30 10 30 10 25 10 >30 12 14 20
≥2 exacerbations within the past 12 months Yes No Yes No No No Yes No No No
Rhinitis Yes No Yes No No No Yes No No No
Dose inhaled steroid (µg·day−1 of fluticasone equivalent dose) 2000 400 800 750 1000 800 2000 1000 800 1000
Oral steroids No No No No Yes No No No No No
FEV1/FVC (%) 68 64 41 79 33 58 57 91 63 73
BHR Yes Yes No No No No No No Yes No
FEV1 (L) 1.69 1.84 0.80 0.80 0.70 0.88 1.20 1.83 1.73
FEV1 (%) 71 92 36 33 26 70 52 40 74 103
TLC (%) NA 108 119 64 121 111 96 64 107 102
RV (%) NA 132 198 115 229 152 129 106 123 98
FENO (ppb) 6 NA NA NA NA NA NA NA 6 NA
Air trapping Yes No Yes No Yes No Yes Yes Yes No
Number of pulmonary nodules >10 2–5 >10 2–5 5–10 2–5 2–5 2–5 2–5 >10
Blood eosinophils (109 cells·L−1) 0.21 0.23 0.84 0.15 0.24 0.14 0.06 0.07 0.09 0.59
Total IgE (kUI·L−1) 15 NA 22 37 50 NA 15 NA 241 NA
Somatostatin analogue Yes No No No Yes No No No No No
 Effect on cough Yes No
mTor inhibitor No No Yes No Yes No No No No No
 Effect on cough Yes No

Cough was assessed at 6 months after therapy initiation. Cough improvement or no cough change was subjectively collected from patients’ testimonies. BMI: body mass index; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; BHR: bronchial hyperresponsiveness; TLC: total lung capacity; RV: residual volume; FENO: fractional exhaled nitric oxide; F: female; M: male; NA: not assessed.