Table 2.

Normality test and paired t-test analysis of weak abdominal wall animal model establishment.

Pair	Kolmogorov-Smirnov			Shapiro-Wilk			Mean	SD	SE	95% CI	t	P value
	Statistic	df	Sig.	Statistic	df	Sig.
Tensile stress (MPa): normal-weak	0.101	20	0.200	0.987	20	0.993	1.116	0.221	0.050	1.012–1.219	22.528	3.621E − 15
Tensile strain (%): normal-weak	0.118	20	0.200	0.964	20	0.632	9.126	2.073	0.464	8.156–10.096	19.688	4.236E − 14