“…Worldwide, the prevalence of POSA has been reported to be even higher in Asian population. 10,11,[17][18][19][20] The mean age of POSA and non-POSA groups was almost similar, in contrast with some studies which have shown that POSA is more common in younger patients. 10,18,[20][21][22][23] This could be because diagnosis at an early age also depends on the awareness and availability of diagnostic modalities, which is better in the western world than our country.…”