Main author (year) country

MR

Expectant management

P-value

Reichman

(2008) Israel

SVD: 24 (77.4%)

VD: 7 (22.6%)

CD: 0

SVD: 8 (26.4%)

VD: 15 (50%)

CD: 7 (23.3%)

P = 0.0001

P = 0.0001

P = 0.0001

Shaffer

(2011) USA

ID: 41%

CD: 8.6%

ID: 39%

CD: 41.4%

P = 0.373

P < 0.001

Le Ray

(2013) France

SVD: 168 (76.8%)

ID: 33 (15.0%)

CD: 18 (8.2%)

OD: 51 (23.3%)

SVD: 68 (61.3 %)

ID: 32 (28.8%)

CD: 11 (9.9%)

OD: 43 (38.7%)

NI

P < 0.01

P = 0.68

P < 0.01

Graham

(2014) Australia

SVD: 2 (13%)

VD: 6 (40%)

FD: 3 (20%)

CD: 4 (27%)

OD: 13 (87%)

SVD: 3 (20%)

VD: 5 (33%)

FD: 4 (27%)

CD: 3 (20%)

OD: 12 (80%)

NI

P = 0.70

P = 1.0

P = 1.0

P = 1.0