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. Author manuscript; available in PMC: 2022 Oct 2.
Published in final edited form as: J Neurosurg. 2021 Apr 2;135(6):1674–1684. doi: 10.3171/2020.9.JNS202036

TABLE 1.

Missing data summary: number of participants with missing variables

No. Variable Anterior Lt Posterior Lt Anterior Rt Posterior Rt Total Missing Variables
1 Tumor location 0 0 0 0 0
2 Tumor vol 0 0 0 0 0
3 WHO tumor grade 1 2 2 4 9
4 WHO tumor type 1 1 3 1 6
5 History of seizures 0 1 3 3 7
6 Previous surgery 2 1 1 1 5
7 Aphasia (yes/no) 2 1 0 1 4
8 Aphasia severity 2 1 0 1 4
9 Handedness 0 0 0 0 0
10 Sex 0 0 0 0 0
11 Age 0 0 0 0 0
Total 8 7 9 11 35 of 660