Table 2: Meta-analysis and estimation of significance levels between methods.

Study Time required (Mean ± SD) (min) P-Value
Rotary or Carisolv™
Ericson-1999 4.4 ± 0.5 10.4 ± 0.59 < 0.0001
Fure-2000 4.5 ± 0.39 5.9 ± 0.38 0.0138
Kakaboura-2003 6.8 ± 0.42 12.2 ± 0.61 < 0.0001
Rafique-2003 6.3 ± 0.28 5.4 ± 0.51 0.1295
Kavvadia-2004 2.8 ± 0.37 8.1 ± 0.66 < 0.0001
Irena-2005 5.9 ± 0.87 10.5 ± 0.78 < 0.0001
Bergmann-2005 3.3 ± 0.34 6.7 ± 0.43 < 0.0001
Peters-2006 1.34 ± 0.29 8.06 ± 0.61 < 0.0001
Lozano-Chourio-2006 2.47 ± 0.29 7.51 ± 0.33 < 0.0001
Pandit-2007 4.28 ± 0.24 8.9 ± 0.53 < 0.0001
Inglehart-2007 1.34 ± 0.29 8.06 ± 0.61 < 0.0001
Hosein-2008 7.4 ± 0.59 12.19 ± 0.68 < 0.0001
Peric-2009 5.2 ± 0.36 11.2 ± 0.43 < 0.0001
Bohari-2012 3.45 ± 0.07 7.91 ± 0.13 < 0.0001
Goomer-2013 3.37 ± 0.16 14.17 ± 0.29 < 0.0001
Hamama-2013 4.14 ± 0.11 6.46 ± 0.56 0.0011
Meta Analysis
Fixed Effect Model 3.65 ± 0.05 8.65 ± 0.09 < 0.0001
I2 = 96.37 % I2 = 97.72 %
Random Effect Model 4.09 ± 0.29 8.97 ± 0.66 < 0.0001
I2 = 56.71 % I2 = - 9.36 %