Statistical Analysis:
Clinical and demographic profiles were analyzed using descriptive statistics. A comparison of proportions was done with chi2 or Fisher’s exact tests. Event free survival (EFS) was calculated from date of diagnosis to the occurrence of any event (relapse, progression, death, second malignancy) or till last follow-up date. Overall survival was calculated from the date of diagnosis to date of death due to any cause or till last follow-up date. Kaplan-Meier’s method was used to calculate the survival estimates. Cox regression model was used to compare the survival curves. All statistical tests were two-sided and a p-value of less than 0.05 was considered significant. Statistical analysis was performed using SPSS Statistics for Windows, version 24 (SPSS IncVR,Chicago, IL).