Study | No. of patients | % agreement |
Persson, 1971 | 42 | 86 |
Gottschalk-Sabag, 1993 | 47 | 87 |
Mallidis,1994 | 46 | 94 |
Craft,1997 | 19 | 84 |
Odabas, 1997 | 24 | 90 |
Mahajan, 1999 | 60 | 97 |
Rammou-Kinia, 1999 | 30 | 87 |
Mcng, 2000 | 87 | 94 |
Qubian, 2000 | 34 | 96 |
Aridogan, 2003 | 40 | 90 |
Mehrotra, 2007 | 58 | 94 |
Present study, 2015 | 67 | 91.6 |