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. 2019 Sep 13;8(10):1395–1404. doi: 10.1530/EC-19-0286

Table 1.

Risk of bias in included studies for the primary outcome – ‘change in weight’.

Random error Selection bias Outcome Total points Notes
Study Prospective Consecutive enrollment Both genders Hypothyroidism ruled out Weight assessment by staff Blinded to baseline weight <5% missing data
Auriemma 2014 (5) Yes Yes Yes Yes Yes Unclear No 4 Assessment from 3 to 6 months interval from baseline not included in report. 25/95 patients excluded due to treatment duration <12 months
Auriemma 2015 (26) Yes Yes No Yes Yes Unclear No 3 Assessment from 3 to 6 months interval not included in report. 7/45 patients not included due to treatment duration <12 months
Barbosa 2014 (33) Yes Unclear Yes Yes Yes Unclear No 3 10/35 patients not included due to discontinuation of dopamine agonist therapy due to irregular supply. Exclusion criteria: chronic disease
Berinder 2011 (6) Unclear Unclear Yes No Yes Unclear Yes 2 Exclusion criteria: diabetes and dyslipidemia
Ciresi 2013 (4) No Yes Yes Unclear Yes Unclear No 3 Patients receiving hypoglycemic agents at baseline were excluded. One patient had diabetes, 13 patients with metabolic syndrome
Docknic 2002 (30) Unclear Unclear Yes Yes Yes Unclear Yes 4 52% of included patients were men
Inancli 2013 (29) Yes Unclear No Yes Yes Unclear Yes 3 Exclusion criteria: CVD, diabetes and hypertension
Medic-Stojanovska 2015 (31) Yes Unclear No Yes Yes Unclear Yes 3 Exclusion criteria: CVD, diabetes mellitus
Pala 2015 (27) Yes Yes Yes Unclear Yes Unclear Yes 5 Only 1 male patient. Exclusion criteria: Diabetes, dyslipidemia
Silva 2011 (8) Yes Unclear Yes Yes Yes Unclear Yes 4 10/35 patients excluded due to discontinuation of DA therapy. 2 diabetes, Exclusion criteria: Acute or chronic diseases
Schwetz 2017 (25) No No Yes Unclear Yes Unclear Yes 3 Patients failing to demonstrate normoprolactenemia at follow-up were excluded from analysis
Serri 2006 (7) Yes No Yes Unclear Yes Unclear Yes 4 7/15 patients were male. Exclusion criteria: CVD, HT, diabetes
Yavuz 2003 (28) Yes Unclear No Unclear Yes Unclear Yes 2 No comorbidities
Iglesiasa 2016 (32) No Unclear No Unclear N/A N/A No 0

aIglesias et al. did not report weight changes in response to dopamine receptor antagonist treatment.