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Table 1 Baseline characteristics

From: Changes in the endurance shuttle walk test in COPD patients with chronic respiratory failure after pulmonary rehabilitation: the minimal important difference obtained with anchor- and distribution-based method

  (n = 55)
Age, y 62.0 (9)
BMI, kg/m2 27.5 (6.1)
FEV1,l 0.84 (0.34)
FEV1 %pred, % 31.1 (12.0)
FEV1/FVC, % 31.8 (9.2)
TLC, l 7.27 (1.41)
RV/TLC, % 63.9 (9.1)
PO2, kPa 8.14 (1.18)
PCO2, kPa 6.85 (0.73)
Wpeak, W 28.1 (18.5)
VO2 peak, ml/min 250 (56)
ISWT, m 160 (40–450)
ESWT, m 240 (40–1160)
ESWT, s 257 (81–1220)
6MWD, m 315 (80–615)
CRQ total 80.3 (17.8)
CRQ dyspnoea 16.7 (4.8)
CRQ fatigue 13.68 (4.5)
CRQ emotion 31.5 (7.9)
CRQ mastery 18.4 (5.0)
  1. Values or expressed as mean (SD) or median (range). BMI: body mass index; FEV1: forced expiration volume in 1 second; FVC: forced vital capacity; TLC: total lung capacity; RV: residual volume; Wpeak: peak work rate; ISWT: incremental shuttle walk test; ESWT: endurance shuttle walk test; 6MWD: six minute walking distance; CRQ: Chronic Respiratory Questionnaire.