“…The visual analog scale (VAS) was the most common tool for postcraniotomy pain assessment, 13,15,16,[18][19][20]26,27,31 followed by the verbal rating scale (VRS) 21,28,30 and numeric rating scale (NRS). 14,17,[22][23][24][25]29 Most of the studies provided a 24hour postcraniotomy pain follow-up, [13][14][15][16]18,21,22,24,26,30 2 reported a 48-hour follow-up, 19,29 3 extended the study period to 3 17,25,27 or 5 days 20 postoperatively, while 2 studies had a very short-term follow-up limited to the postanesthesia care unit (PACU) period. 23,28 In one study, the duration of postcraniotomy assessment was not reported.…”