Study | Study design | Country | No. of patients | Age | Gender | |||
---|---|---|---|---|---|---|---|---|
KP | VP | KP | VP | KP | VP | |||
Yoram Folman 2011 [11] | Prospective cohort | Israel | 31 | 14 | 70.74 | 75.57 | 9 M | 5 M |
Grohs JG 2005 [12] | Prospective comparative study | Australia | 28 | 23 | 70 | 7 M | 5 M | |
A. Hiwatashi 2009 [13] | Retrospective cohort | Japan | 40 | 66 | 75 | 77 | 11 M | 21 M |
Krishna Kumar 2010 [14] | Prospective cohort | Canada | 24 | 48 | 73 | 78 | 7 M | 9 M |
J. T. Liu 2009 [31] | Prospective randomized comparative study | Taiwan | 50 | 50 | 72.3 | 74.3 | 11 M | 12 M |
Alessio Lovi 2009 [16] | Prospective cohort | Italy | 36 | 118 | 67.6 | 98 M | ||
I. Movrin 2010 [17] | Prospective cohort | Slovenia | 46 | 27 | 67.8 | 72.9 | 10 M | 5 M |
M. Rollinghoff 2009 [18] | Prospective comparative study | USA | 53 | 52 | 68.9 | 20 M | ||
Fernando Ruiz Santiago 2010 [19] | Prospective cohort | Spain | 30 | 30 | 65.9 | 73 | 9 M | 5 M |
Markus Dietmar Schofer 2009 [20] | Prospective comparative study | Germany | 30 | 30 | 72.5 | 73.8 | 8 M | 6 M |
Denglu Yan 2011 [21] | Retrospective cohort | China | 98 | 94 | 76.9 | 77.2 | 41 M | 39 M |
Zhou Jianlin 2008 [22] | Retrospective cohort | China | 42 | 56 | 64 | 62 | 17 M | 21 M |
Hu Chunhua 2016 [23] | Retrospective cohort | China | 30 | 30 | 67.44 | 68.73 | 18 M | 18 M |
Du Junhua 2014 [24] | Prospective comparative study | China | 44 | 42 | 75.6 | 72.1 | 8 M | 9 M |
Wu Yao 2014 [25] | Retrospective comparative study | China | 20 | 20 | 65.12 | 66.37 | 9 M | 12 M |
Kyung-Hyun Kim 2012 [26] | Retrospective comparative study | Korea | 45 | 58 | 72.5 | 74.6 | 10 M | 13 M |