Outcome of primary rhegmatogenous retinal detachment using microincision vitrectomy and sutureless wide-angle viewing systems

Table 1 Potential Factors Affecting Operation Time

Variable	Number of Cases	Mean operation time (mins)	P value	Methods
Age
Age ≤ 50	33	54.79	0.051	T test
Age > 50	77	48.74
Total	110		0.376	Regression
Cryopexy
Not performed	70	46.61	< 0.001	T test
Performed	40	57.45
Number of breaks
1	39	46.31	0.026	T test
> 1	71	52.89
Total			< 0.001	Regression
Lens status
Phakic	92	50.34	0.663	T test
Pseudophakic	12	55.33
Macula status
Macula on	41	51.12	0.760	T test
Macula off	69	50.22

ISSN: 1471-2415