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Table 3: Studies selected for review
Study No. Study Name Year No. of Patients Studied
1 Forteza et al⁴ 1999 5
2 Sulek et al²⁰ 1999 22
3 Edmonds et al¹⁷ 2000 23
4 Rodriguez et al¹¹ 2001 13
5 Rodriguez et al¹² 2001 4
6 Riding et al¹⁵ 2004 41
7 Rodriguez et al¹⁹ 2005 37
8 Kalairajah et al¹⁸ 2006 24
9 Koch et al⁸ 2007 24
10 Barak et al⁵ 2008 22
11 Gray et al⁶ 2008 20
12 Gray et al²² 2009 20
13 Patel et al¹³ 2009 24
14 Patel et al⁷ 2010 45

Study No.	Study Name	Year	No. of Patients Studied
1	Forteza et al⁴	1999	5
2	Sulek et al²⁰	1999	22
3	Edmonds et al¹⁷	2000	23
4	Rodriguez et al¹¹	2001	13
5	Rodriguez et al¹²	2001	4
6	Riding et al¹⁵	2004	41
7	Rodriguez et al¹⁹	2005	37
8	Kalairajah et al¹⁸	2006	24
9	Koch et al⁸	2007	24
10	Barak et al⁵	2008	22
11	Gray et al⁶	2008	20
12	Gray et al²²	2009	20
13	Patel et al¹³	2009	24
14	Patel et al⁷	2010	45