Clinical Efficacy of Endoscopic Infratentorial Supracerebellar Approach for Pineal Region Tumors: A Retrospective Case-Control Study

Table 1

.Comparison of general data between the two groups [n, ( ± s)].

Group	Gender (men/women)	Average age (age)	Average disease duration (moon)	Mean tumor volume(cm3)
Control group (40)	27/13	36.63 ± 8.32	6.31 ± 1.67	13.17 ± 2.34
Treatment group (40)	28/12	36.62 ± 8.31	6.33 ± 1.25	13.37 ± 2.20
χ2/t	0.058	0.005	−0.062	−0.394
P	0.809	0.996	0.951	0.695