Table 2.

Comparison of Angular Measurement and Anterior Thorax Length Values before and 6 Months after Surgery

Variable	N	Average	Stand Deviation	Median	RIC	Z	P
Angular measurement 1 (postoperative)		168.56	4.43	168.50	164.50–171.50
	32					−4.94	<0.001
Angular measurement 1 (preoperative)		142.41	1.83	142.00	141.00–144.00
Angular measurement 2 (postoperative)		37.09	0.78	37.00	36.50–38.00
	32					−4.97	<0.001
Angular measurement 2 (preoperative)		33.66	1.18	34.00	33.00–35.00
Anterior thoracic length (preoperative)		77.22	1.66	77.00	76.00–79.00
	32					−4.95	<0.001
Anterior thoracic length (postoperative)		67.56	1.79	67.00	66.00–69.50

The data showed no normality, applying Wilcoxon T.

RIC: interquartile range