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Table 1 Characteristics of patients with restrictive lung disease in both groups

From: Exercise training with negative pressure ventilation improves exercise capacity in patients with severe restrictive lung disease: a prospective controlled study

Characteristics Non-NPV exercise group NPV-exercise group
Number of patients 18 18
Age, years 59.6 ± 12.3 60.3 ± 11.6
Gender, M/F 8/10 6/12
BMI, kg/m2 19.7 ± 5.0 21.5 ± 4.6
FVC, L 1.05 ± 0.34 0.85 ± 0.37
FVC, % predicted 37.7 ± 10.2 32.5 ± 11.7
FEV1, L 0.88 ± 0.26 0.72 ± 0.32
FEV1, % predicted 42.2 ± 2.4 36.9 ± 13.6
FEV1/FVC, % 84.2 ± 8.3 83.1 ± 13.6
6MWD, m 362.8 ± 99.4 371.3 ± 77.9
Borg score, median(range) 0.5 (0–4) 1.25 (0–4)
  1. BMI, Body mass index; 6MWD, 6-min walk distance.