Withington, S.G.

patient registration event reaction leprosy nerve function impairment month nerve mb patients period follow-up type 1 reaction incidence figure observation period group function cohort impairment type 2 reaction type 2 reactions 2 years pb patients study leprosy patients number treatment observation bangladesh 6 months 60 months type 1 incidence rates 5 years survival curves leprosy group analysis episode 36 months neuritis nfi event 100 pyar paper 24 months curve 6 months duration 12- month periods nerve damage study outcome bands cohort patients 6- month periods type 1 reactions figure 4 pb group surveillance smith wcs byass p richardus jh mb group nicholls pg survival risk factors follow-up period denominator epidemiology duration result prednisolone dds 100 mg status 12- month period person-year percentage table 16.1/100 pyar control prediction rule croft 100 person-years cohort analysis