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. 2012 Dec 12;2012(12):CD006983. doi: 10.1002/14651858.CD006983.pub3

Boucher 1999.

Methods Randomised, parallel group trial 
 Randomisation by a computer random number table 
 Blinding not possible
Participants 31 leprosy patients with nerve deficit < 6 months duration 
 Unit of randomisation: ulnar, median, common peroneal or posterior tibial nerve. 
 Unit of analysis: nerve 
 Nerves randomised: unclear 
 Nerves analysed: 93 (a: 47 , b: 46)
Interventions (a) Prednisone start at 40 mg/day for 15 days and thereafter gradually tapered with 5 mg/15 or 30 days until 6 months completed (total 3450 mg) 
 (b) Same intervention plus external nerve decompression and a simple, longitudinal epineurotomy
Outcomes Change in: 
 (1) Sensory score after 2 years 
 (2) Voluntary muscle testing (VMT) score after 2 years 
 (3) Nerve pain after 2 years
Notes Single centre 
 Conducted in Senegal
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk Randomisation by a computer random number table
Allocation concealment (selection bias) Unclear risk Not reported
Blinding (performance bias and detection bias) 
 All outcomes High risk Blinding of patients and clinicians not possible; blinding of outcome assessor not reported
Incomplete outcome data (attrition bias) 
 All outcomes High risk 2/31 (6%) of participants lost to follow‐up, but unclear how many nerves were involved; no intention‐to‐treat analysis was performed.
Selective reporting (reporting bias) Unclear risk The occurrence of adverse effects was not adequately reported
Other bias High risk No separate analysis was done using only one independent outcome from each patient