[Retracted] Retrospective Case Analysis of 104 Cases of Talipes Equinus

Table 3

Chi-square goodness of fit test.

Name	Item	Actual frequency	Expected frequency	Residual	Actual proportion	Desired proportion
Gender	Female	23.000	52.000	-29.000	22.12%	50.00%	32.346	≤0.001
	Male	81.000	52.000	29.000	77.88%	50.00%
Birthplace	Rural area		34.667	15.333	48.08%	33.33%	15.942	≤0.001
	Country town	17.000	34.667	-17.667	16.35%	33.33%
	Urban area	37.000	34.667	2.333	35.58%	33.33%
Gypsum correction times	2.0	4.000	14.857	-10.857	3.85%	14.29%	91.731	≤0.001
	3.0	29.000	14.857	14.143	27.88%	14.29%
	4.0	41.000	14.857	26.143	39.42%	14.29%
	5.0	17.000	14.857	2.143	16.35%	14.29%
	6.0	8.000	14.857	-6.857	7.69%	14.29%
	7.0	4.000	14.857	-10.857	3.85%	14.29%
	8.0	1.000	14.857	-13.857	0.96%	14.29%