From: A retrospective study on the impact of bar flipping on the recurrence of pectus excavatum after the Nuss procedure
(I) Group
(J) Group
Mean Dif (I − J)
p-value
≤ 10°
11–20°
21–30°
− 0.012
0.009
0.850
0.974
> 30°†
0.136
< 0.001
0.012
0.02
0.732
0.148
− 0.009
− 0.02
0.127