Table 4.
Home (AioCare) Spirometry %pv | Hospital (Jaeger) Spirometry %pv | Mean Difference Home vs. Hospital Spirometry | p-Value * | Correlation r ** | |
---|---|---|---|---|---|
FVC (L) | 2.25 ± 0.73 | 2.17 ± 0.57 | 0.09 ± 0.44 | 0.476 | 0.80 |
FEV1 (L) | 1.84 ± 0.55 | 1.88 ± 0.51 | −0.04 ± 0.29 | 0.624 | 0.85 |
PEF (L/min) | 199 ± 63 | 223 ± 64 | −23.86 ± 51.32 | 0.106 | 0.67 |
FVC%pv | 76.94 ± 20.36 | 78.02 ± 14.21 | −1.08 ± 15.17 | 0.795 | 0.67 |
FEV1%pv | 72.72 ± 21.47 | 80.12 ± 15.23 | −7.40 ± 14.43 | 0.077 | 0.74 |
PEF%pv | 55.57 ± 18.68 | 71.27 ± 16.58 | −15.70 ± 12.47 | 0.0004 | 0.76 |
* Student t- or Wilcoxon test; ** Pearson correlation coefficient r; pv, predicted value; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 s; PEF, peak expiratory flow.