Miralles 1987.

Methods	Randomised, double blind. No placebo group Baseline PI=moderate or severe pain Self assessment at t=0 and 30 min
Participants	N=50 Dipyrone 2 g, n=23 Diclofenac 75 mg, n=27 12 patients were excluded
Interventions	Dipyrone 2 g Diclofenac 75 mg Single IM dose, 30 min
Outcomes	PI=100 mm VAS (0=no pain; 100=unbearable pain) PR=100 mm VAS, (0% to 100% improvement) Improvement=<50% reduction in pain within 30 min of drug administration. Presented dichotomous data ( > 50% improvement in PR) at 30 min Dipyrone=15/23 Diclofenac=22/27
Notes	12 patients were excluded. No adverse effects were reported. QS=3
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Low risk	A ‐ Adequate