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. Author manuscript; available in PMC: 2023 Aug 7.
Published in final edited form as: J Neurosurg. 2021 May 28;135(6):1817–1824. doi: 10.3171/2020.10.JNS202947

TABLE 2.

Univariate comparisons between intraoperative tasks

PN TR AN 4SYL SYNTAX
PN — 0.0002 0.00003 0.000004 0.0004
TR 0.0002 — 0.005 0.000007 0.147
AN 0.00003 0.005 — 0.002 0.00001
4SYL 0.000004 0.000007 0.002 — 0.71
SYNTAX 0.0004 0.147 0.00001 0.71 —

All values are p values.