Table 2 Comparison between baseline and first 7 days of exacerbation (mean ± SD)
From: Daily activity during stability and exacerbation of chronic obstructive pulmonary disease
Stable | Exacerbation | Difference | p-value | |
|---|---|---|---|---|
Daily step-counts (step/day) | 4154 (±2586) | 3673 (±2258) | −480 (±1408) | 0.045 |
Symptom count | 0.4 (±0.7) | 2.4 (±1.0) | 1.9 (±1.3) | <0.001 |
Peak Expiratory Flow (L/Min) | 273 (±109) | 266 (±108) | −7 (±13) | 0.005 |
Time outdoors (hours/day) | 3.4 (±1.8) | 3.2 (±1.8) | −0.1 (±1.1) | 0.51 |
Percentage of days on which patient went outdoors (%) | 84.4 (24.2) | 79.6 (26.1) | −4.8 (±18) | 0.13 |