The incidence of Non-Hodgkin Lymphoma in Iran: a systematic review and meta-analysis

Objective: Non-Hodgkin’s lymphoma (NHL) is one of the common cancers of the blood. The present study is conducted to evaluate the incidence rates of NHL in Iran. Patients and Methods: A systematic search was conducted on all published studies of NHL incidence using Medline/PubMed, Scopus, Embase, Web of sciences, and four Iranian databases (Scientific Information Database, MagIran, IranMedex, and IranDoc) until June 2018. This systematic review was done according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA). Results: After first searching 262 potentially relevant studies was yielded. A total of 9 studies were included. The results of the random effect model were demonstrated the age-standardized rate (ASR) of NHL was 4.43, 95% CI (2.76 to 6.11) among males and 2.79, 95 % CI (1.71 to 3.88) among females. Conclusions: In comparison with other geographical locations, the incidence of NHL is lower in Iran