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Table 2 Spirometry and exercise time

From: Changes in chest wall motion with removal of Nuss bar in repaired pectus excavatum – a cohort study

  Bar in situ
Mean (SD)
Bar removed
Mean (SD)
Mean difference
(95% Confidence Interval)
Effect size p
FEV1 (L) 4.12 (0.67) 4.24 (0.78) 0.12 (−0.23–0.46) 0.261 0.456
FEV1% predicted 87.9% (16.9) 90.6% (19.7) 2.70 (−5.14–10.54) 0.265 0.450
FVC (L) 4.59 (0.90) 4.68 (0.81) 0.09 (−0.22–0.40) 0.220 0.528
FVC % predicted 82.0% (14.8) 84.8% (15.3) 2.78 (−0.30–8.55) 0.370 0.299
FEV1/FVC 90.7% (6.8) 90.9% (8.0) 0.24 (−5.22–5.71) 0.034 0.921
Time to 80% max heart rate 451 (128) 425 (137) −27 (− 143–90) 0.211 0.597