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Table 2 Baseline health status

From: Correlations between disease-specific and generic health status questionnaires in patients with advanced COPD: a one-year observational study

Questionnaire Domain Total sample (n = 105) Study completed (n = 86) Dropout (n = 19) p-valuec
EQ-5D Mobilityd 1.87 (0.39) 1.85 (0.39) 1.95 (0.40) 0.33
  Self-Care 1.70 (0.66) 1.60 (0.62) 2.16 (0.69) 0.001
  Usual activities 2.08 (0.65) 1.99 (0.60) 2.47 (0.70) 0.01
  Pain/discomfort 1.55 (0.66) 1.56 (0.64) 1.53 (0.77) 0.85
  Anxiety/depression 1.50 (0.67) 1.47 (0.66) 1.68 (0.67) 0.20
  Index score 0.51 (0.33) 0.55 (0.30) 0.33 (0.37) 0.008
  VAS 62.6 (14.0) 64.1 (13.2) 55.8 (15.9) 0.02
AQoL Illnessd 0.17 (0.17) 0.18 (0.16) 0.12 (0.19) 0.04
  Independent living 0.58 (0.30) 0.63 (0.27) 0.36 (0.31) <0.0005
  Social relationshipsd 0.83 (0.20) 0.85 (0.20) 0.77 (0.20) 0.06
  Physical sensesd 0.92 (0.11) 0.93 (0.09) 0.86 (0.18) 0.17
  Psychological wellbeing 0.87 (0.13) 0.97 (0.13) 0.85 (0.15) 0.50
  Total 0.46 (0.28) 0.50 (0.27) 0.29 (0.30) 0.005
SF-36 Physical Functioningd 21.0 (21.1) 22.3 (20.8) 15.5 (22.4) 0.07
  Role-physicald 37.1 (42.8) 38.4 (43.2) 31.6 (41.5) 0.61
  Bodily paind 70.9 (29.5) 72.8 (28.3) 62.3 (34.0) 0.23
  General health 29.7 (19.1) 30.1 (19.2) 28.2 (19.3) 0.70
  Vitality 51.1 (18.9) 51.3 (19.1) 50.3 (18.7) 0.83
  Social functioning 65.0 (26.1) 67.0 (25.7) 55.9 (27.1) 0.10
  Role-emotionald 62.9 (44.9) 63.6 (44.7) 59.7 (46.6) 0.80
  Mental health 68.6 (19.9) 69.7 (19.3) 63.8 (22.2) 0.25
  PCSd 22.4 (9.6) 22.9 (9.2) 19.8 (11.3) 0.08
  MCS 47.3 (14.1) 47.7 (14.4) 45.1 (15.4) 0.48
SGRQ Symptoms 58.6 (22.5)a 59.3 (22.9)b 55.4 (25.5) 0.52
  Activityd 74.8 (21.9)a 73.6 (21.3)b 80.1 (24.3) 0.06
  Impact 45.2 (18.5)a 43.6 (17.7) b 52.7 (20.4) 0.04
  Totald 56.5 (21.8)a 55.3 (16.0)b 61.5 (19.7) 0.09
  1. Values expressed in points as mean (standard deviation [SD]). Bold printed numbers show significant (p ≤0.05) results. Abbreviations: EQ-5D, European Quality of Life-5 dimensions; VAS, Visual Analogue Scale; AQoL, Assessment of Quality of Life instrument; SF-36, Short Form 36-item health survey; PCS, Physical Component Summary measure; MCS, Mental Component Summary measure; SGRQ, St. George Respiratory Questionnaire. a n = 103; b n = 84; c comparison between patients who completed the study and patients who withdrew from the study; d non parametric statistic tests were used because of skewed data.