. 2024 Mar 27;166(1):155. doi: 10.1007/s00701-024-06038-6

Table 2.

Surgery duration, total complication rate, and reoperation rate among the first 86 cases and the last 86 cases

	Early cases	Late cases	p value
Patients, n	86	86
Surgery duration^a, median (IQR)	45.0 (35.0–60.0)	45.0 (35.0–60.0)	0.70
Total complication rate, %	4.7	4.7	1.0
Reoperation^b rate, %	16.3	11.6	0.38

^aExcluding 19 and 27 patients among early and late cases, respectively, with no information on surgery duration. ^bDefined as additional surgery after the initial PTED on the same level and side of disk

n number, IQR interquartile range