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. 2017 Nov 10;2017(11):CD009526. doi: 10.1002/14651858.CD009526.pub2

Zakherah 2011.

Methods A randomised controlled trial
Participants 120 women with polycystic ovary syndrome and clomiphene citrate resistance between January 2007 and December 2009 in the Women's Health Centre and Physiology Department, Assiut University, Egypt.
Interventions Patients were assigned randomly to 2 groups of 60 women each. Group A received an adjusted thermal dose based on ovarian volume with use of a new model for dose calculation (60 J/cm3 of ovarian tissue), and group B received 600 J per ovary through 4 ovarian holes regardless of size (traditional form of LOD). 1 month afterward, the hormonal profile was re‐evaluated, and second‐look laparoscopy was performed in women who had not conceived by 6 months to evaluate adnexal adhesions
Outcomes Menstrual cycle regularity, hormonal profile including testosterone, BMI and adhesions
Notes Funding source: Not stated
 Declarations of interest: None.
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk "Randomisation was done using a computer generated random table"
Allocation concealment (selection bias) Unclear risk Not stated
Blinding of participants and personnel (performance bias) 
 All outcomes High risk Not stated but not possible due to study design
Blinding of outcome assessment (detection bias) 
 All outcomes Unclear risk Not stated
Incomplete outcome data (attrition bias) 
 All outcomes Low risk 5 lost to follow‐up
Selective reporting (reporting bias) Low risk None detected
Other bias Low risk None detected