Table 3.

Sensitivity analysis.

Study	Parameter	Before exclusion	After exclusion	Statistical significance
Kadum et al.[3] (2014)	ROM	MD = 7.60, 95% CI = 3.27 to 11.92, Z = 3.44, P = .0006	MD = 5.79, 95% CI = 1.63 to 9.95, Z = 2.73, P = .006	No difference
	Complications	OR = 1.22, 95% CI = 0.48,3.08, Z = 0.42, P = .68	OR = 1.17, 95% CI = 0.39,3.55, Z = 0.28, P = .78	No difference

CI = confidence interval, CR = complication rate, MD = mean difference, OR = odd ratio, ROM = range of motion.