| Al-Waili NS and Saloom KY, 1999, Germany | 64 patients with proven diagnosis of renal colic on IVU, USS and clinical examination | Double blind randomised controlled study | Change in mean pain scores at 30 and 60 minutes post administration of 75 mg IM diclofenac or 40 mg IM piroxicam as measured on a Visual Analogue 10 cm line | Both treatments dramatically decreased pain scores by 30 minutes. Diclofenac pre-treatment score 7.83 and 30 minutes post treatment 1.47; piroxicam pre-treatment score 7.41 with 30 minutes post treatment score 0.84. There was a significant improvement in favour of piroxicam for pain relief at 30 minutes (t test of means p<0.05) | The blinding mechanism is not given |
| Those taking NSAIDS or pethidine on long term basis excluded | | | | Uncertain of sampling method |