Patterns of rheumatic diseases and antirheumatic drug usage in 11931 Indian patients.

: Patterns of rheumatic diseases and antirheumatic drug usage in different regions of India were analysed. The data was collected from a post-marketing surveillance of diclofenac sodium (Voveran) in 11931 patients. The common conditions were-rheumatoid arthritis (RA) 28.1%, osteoarthrosis (OA) 24.8%, soft-tissue rheumatism 12.4%, cervical spondylosis 6%, ankylosing spondylitis (AS) 3.5%, gout 2%. East zone had a significantly lower proportion of osteoarthritis (20.9%). The age distribution and sex ratios of RA, OA and AS were in line with literature reports. The severity of illness was moderate in 62% and duration was more than 6 months in 50.2%. Data on NSAID usage showed a preponderance of combinations and ibuprofen. There were no significant differences in NSAID usage across diseases or regions.