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. 2018 Oct 8;13:3131–3139. doi: 10.2147/COPD.S171134

Table 2.

Patients’ characteristics before and after pulmonary rehabilitation

N=25 Pre-PR Post-PR P-value




Spirometry
 FVC% 83 (73–101) 89 (76–102) 0.020
 FEV1% 43 (34–50) 48 (39–55) 0.001
 PEF% 41 (40–50) 45 (40–51) 0.024
 FEV1/FVC% 41 (34–46) 53 (47–63) <0.001
 VR% 132 (103–155) 129 (100–144) 0.002
 TLC% 105 (97–115) 102 (97–112) 0.040
 RV/TLC% 48 (38–52) 45 (36–50) <0.01
Arterial blood gas
 pH 7.41 (7.40–7.42) 7.41 (7.40–7.42) 1
 SaO2% 94 (91–95) 93 (92–95) 0.008
 PaO2, mmHg 65 (59–70) 67 (60–71) 0.016
 PaCO2, mmHg 45 (41–49) 43 (40–45) 0.041
6MWD (m) 250 (150–350) 300 (210–400) <0.001
CAT 26 (21–34) 24 (20–30) <0.001
MRC 4 (3–4) 3 (2–3) <0.001
BODE 6 (4–7) 4 (3–6) 0.001

Note: Data are presented as median (25th–75th percentiles).

Abbreviations: PFTs, pulmonary function tests; PR, pulmonary rehabilitation; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; PEF, peak forced expiratory flow; FEV1/FVC, Tiffeneau index; RV, residual volume; TLC, total lung capacity; RV/TLC, Motley index; ABG, arterial blood gas; 6MWD, 6-minute walking distance; CAT, COPD Assessment Test; MRC, Medical Research Council dyspnea score; BODE, BODE index (Body mass index, airflow Obstruction, Dyspnea, and Exercise).