Surv is optimized for seamless performance on the following desktop web browsers: Google Chrome and Microsoft Edge Some features are not supported in Safari and Mozilla Firefox or mobile browsers. Curve fitting from plot screenshots : 1. Upload png or jp g i mage 2. Point markers on X and Y axis and input their coordinates 3. Choo se RGB color code of desired curve using pipette or manual input. Currently, Surv does not have the capability to identify a specific spot with cu r v e for digitalization . Thus, all colored pixels in the image may a?ect the result. To achieve an ideal result, remove any colored pixels other than those located on the graph curves in any graphic editor. 4. Press “Digitize ” butto n. You can adj st points manually using buttons “add point ” / “dele te poin t ”. 5. Procced with analysis by pressing “Standard parametric ” , “Spline ” or “ Mixture cure model ” butt ons. To visualize or download result it is mandatory to input extrapolation horizon and step Curve fitting from digitized plot You can use any softwa re for curve digitalization (i.e. webplotdigi tizer) and input csv with p lot coordi nates . Please use foll owing data format: • Colum n names “ k ” (point number f rom 1 to n) , “ Time_x ” ( time value ), “ Valu e_ Y ” ( survival value ) • Space sign “ “ as delimiter • Csv format with utf - 8 encoding Up l oad you r CSV choosing “ CSV file with Kaplan - Meier curve ” option and proceed with the analysis Curve fitting from individual patient data (IPD) You can use IPD as an input for extr apolation . Please use foll owing data format: • Colum n names “ t ime ” , “ event ” (1 – event, 0 – censor ), “ arm ” (1 ) • Space sign “ “ as delimiter • Csv format with utf - 8 encoding Up l oad you r CSV choosing “ CSV file with IPD ” option and proceed with the analysis