Table II.
Parameter | Before PPR | After PPR | After resection | Mean difference (after PPR-before PPR) | Mean difference (after resection-after PPR) | Mean difference (after resection-before PPR) | |||
---|---|---|---|---|---|---|---|---|---|
n (95% CI) | p | n (95% CI) | p | n (95% CI) | p | ||||
FEV1 [ml] | 1844 ±618 | 2217 ±654 | 1612 ±580 | 374 (261, 486) | < 0.001 | –605 (–703, –507) | < 0.001 | –231 (–327, –136) | < 0.001 |
FEV1 pred% | 65 ±14 | 74 ±15 | 54 ±13 | 12 (9, 15) | < 0.001 | –20 (–23, –17) | < 0.001 | –10 (–13, –7) | < 0.001 |
VLC [ml] | 3267 ±895 | 3674 ±909 | 2803 ±934 | 407 (264, 549) | < 0.001 | –871 (–1030, –711) | < 0.001 | –464 (–646, –281) | < 0.001 |
VLC pred% | 88 ±17 | 100 ±16 | 76 ±17 | 12 (9, 16) | < 0.001 | –25 (–28, –21) | < 0.001 | –12 (–17, –7) | < 0.001 |
TI (%) | 54 ±9 | 59 ±10 | 55 ±10 | 5 (2, 7) | < 0.001 | –5 (–7, –2) | < 0.001 | 0 (–2, 3) | NS |
FEF50 (%) | 26 ±13 | 30 ±14 | 20 ±11 | 3 (–1, 8) | 0.003 | –10 (–15, –5) | < 0.001 | –7 (–11, –2) | 0.002 |
FEF25 (%) | 23 ±14 | 29 ±14 | 19 ±12 | 6 (0, 11) | NS | –10 (–15, –5) | 0.001 | –4 (–9, 1) | NS |
PPR – preoperative pulmonary rehabilitation, FEV1 – forced expiratory volume in the first second, VLC – vital lung capacity, TI – Tiffeneau index, FEF – forced expiratory flow