BioMed Research International / 2021 / Article / Tab 4

Research Article

The Effect of Pulmonary Rehabilitation on Respiratory Functions, and the Quality of Life, following Coronary Artery Bypass Grafting: A Randomised Controlled Study

Table 4

Comparison of total mean scores of PFT parameters (FVC, FEV1, FVC/FEV1) in intervention (PR) and control groups.

Intervention (PR) GroupControl GroupTest resultsp valueEffect size
95% Confidence interval
Mean ± SDMean ± SDLowerUpper

FVC, % predicted
Preoperative baseline89.96±21.981.72±15.50.132-0.433-0.1360.997
4th Day of Clinical Care51.28±14.942.76±11.30.027-0.6430.0721.210
p value
Test results
FEV1, % predicted
Preoperative baseline91.12±20.682.56±16.00.109-0.462-0.1001.023
4th Day of Clinical Care53.16±15.144.28±11.50.024-0.6580.0881.228
p value
Test results
FEV1/FVC, % predicted
Preoperative baseline107.52±10.4108.56±12.30.7490.091-0.6450.463
4th Day of Clinical Care109.88±10.4109.08±14.30.823-0.064-0.4900.618
Test results
p value

PR: pulmonary rehabilitation; PFT: pulmonary function test; FEV1: challenging expiratory volume; FVC: challenging vital capacity; independent samples -test; paired samples -test .

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