Table 4 Intraoperative outcomes of the 7 studies included in the meta-analysis

Kalaivani V1. [20], 2014

97.2 ± 34.08^b

81.95 ± 20.97^b

6

1

9

Bessa SS. [1], 2012

35 (20–78)^a

35 (19–75)^a

32

-

29

Imbelloni LE [21], 2010

62.9 ± 11.3^b

66.8 ± 12.5^b

16

1

14

Tzovaras G. [10], 2008

45 (20–90)^a

47 (20–110)^a

21

-

-

Ellakany M1. [22], 2013

67.3 ± 16.3^b

68.6 ± 16.6^b

-

3

8

Bessa SS [23], 2010

41.7 ± 14.7^b

40.4 ± 15.6^b

9

1

9

Tiwari S [12], 2013

36.11 ± 4.98^b

34.22 ± 5.83^b

8

3

5