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Table 4 Chest wall motion during exercise at 80% maximum heart rate (median and IQR)

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

  Bar in situ Bar removed Effect size p value
Respiratory rate 32 (28–37) 34 (24–36) 0.089 0.110
Tidal volume (Vt, ml) 1555 (1288–1731) 1643 (1384–1847) 0.089 0.110
Vt ribcage 628 (455–655) 629 (577–760) 0.076 0.173
Vt diaphragm 275 (178–275) 323 (246–369) 0.115 0.038
Vt Abdomen 771 (624–864) 708 (473–708) 0.049 0.374
% ribcage 37.2 (31.3–40.2) 37.4 (34.4–44.3) 0.049 0.374
% diaphragm 16.1 (13.7–17.8) 20.2 (14.5–21.8) 0.109 0.051
% abdomen 49.1 (45.0–53.5) 42.3 (33.8–50.4) 0.076 0.173