Shah 1993

Methods	Study design: parallel group randomised trial. Study dates: not available. Setting: outpatient. Country: UK.
Participants	Inclusion criteria: chronic abacterial prostatitis and prostatodynia. Exclusion criteria: not available. Sample size: 30. Age: not available. NIH‐CPSI score: not available. Sex: men.
Interventions	Group 1 (n = 15): transrectal microwave therapy, 4 × 1‐hour treatment sessions over 2 or 3 weeks. Temperature raised to 43.8 °C with input of 40 watts. Group 2 (n = 15): 'Sham group.' Temperature < 37 °C. Cointerventions: not available.
Outcomes	None of the outcomes of the review were reported.
Funding sources	Not available.
Declarations of interest	Not available.
Notes	We extracted this information from an abstract presentation. No contact information available.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Abstract only.
Allocation concealment (selection bias)	Unclear risk	Abstract only.
Blinding of participants and personnel (performance bias) Subjective outcomes	Unclear risk	Abstract only.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Abstract only.
Incomplete outcome data (attrition bias) All outcomes	High risk	2/15 participants withdrew from Group 2.
Selective reporting (reporting bias)	Unclear risk	Abstract only.
Other bias	Unclear risk	Abstract only.