Age-at-onset of leprosy. (An analytic data from Northern India).

Very little information is available from Northern India about various intriguing facets of epidemiology of leprosy. Age-at-onset is a very important aspect of the epidemiology of the disease process. In the present study an analytic data of the patients from Northern India is presented. The mean age-at-onset of leprosy in males was 31.49 years and in female 29.43 years. The mean age-at-onset for N, N ? L and L types was 30.14, 30.12 and 34.13 years respectively. The data compared well with those of earlier series.