Munoz et al5 | 1991 | 53 | 1 | 1.9 | Molteno |
Hill et al6 | 1991 | 70 | 1 | 1.4 | Molteno |
Chihara et al7 | 1992 | 16 | 1 | 6.3 | White pump |
The Krupin Eye Valve Filtering Surgery Study Group8 | 1994 | 50 | 1 | 2 | Krupin valve with disc |
Lloyd et al9 | 1994 | 73 | 1 | 1.4 | Baerveldt |
Perkins et al10 | 1995 | 21 | 1 | 4.8 | Molteno |
Price and Wellemeyer11 | 1995 | 76 | 1 | 1.3 | Molteno |
Law et al12 | 1996 | 38 | 1 | 2.6 | Molteno |
Nguyen et al13 | 1998 | 107 | 1 | 0.9 | Baerveldt |
Djodeyre et al14 | 2001 | 35 | 1 | 2.6 | Ahmed |
Krishna et al15 | 2001 | 65 | 2 | 3.1 | Baerveldt |
Taglia et al16 | 2002 | 27 | 1 | 3.7 | Molteno |
Morad et al17 | 2003 | 60 | 3 | 5 | Ahmed |
Seah et al18 | 2003 | 124 | 1 | 0.8 | Baerveldt |
Tsai et al19 | 2003 | 70 | 1 | 1.4 | Baerveldt |
Present study | 2004 | 542 | 9 | 1.7 | Ahmed |
Total | | 1427 | 27 | 1.9 | |