Table 1.
Summary of Included Studies
| Author, Year | Sample Size | Age (years) | Preoperative Tumor Volume (cm3) | Use of Subcortical Mapping | Volumetric Extent of Resection (%) | Gross Total Resection | Early Neurological Deficit | Late Neurological Deficit |
|---|---|---|---|---|---|---|---|---|
| Briggs et al., 201931 | 4 | 38.5 ± 15.4 | 46.0 ± 32.8 | Yes | 74.6 ± 17.1 | NR | 1 (25%) | 0 |
| Frati et al., 201932 | 6 | 46.7 ± 18.3 | 26.3 ± 15.4 | Yes | NR | 5 (83.3%) | 1 (16.7%) | 0 |
| Gerritsen et al., 201933 | 37 | 45.7 ± 15.1 | 66.3 ± 64.3 | Yes | 94.9 ± 10.6 | NR | 16 (43.2%) | 3 (8.1%) |
| Nakajima et al., 201934 | 30 | 53.2 ± 11.7 | NR | Yes | 97.0 ± 8.7 | NR | NR | NR |
| Pichierri et al., 201935 | 6 | NR | 47.0 ± 38.0 | Yes | NR | 4 (66.7%) | NR | NR |
| Gravesteijn et al., 201836 | 5 | 41.5 ± 6.3 | NR | No | 71.8 ± 24a | NR | NR | NR |
| Khan et al., 201637 | 6 | 41.3 ± 12.4 | NR | No | NR | NR | NRb | NRb |
| Mathias et al., 201638 | 9 | 49.0 ± 10.6 | NR | Yes | NR | 7 (77.8%) | 3 (33.3%) | 0 |
| Mandonnet et al., 201539 | 13 | 45.2 ± 14.6 | 27.2 ± 32.5 | Yes | 99.7 ± 0.8 | NR | NR | NR |
| Vassal et al., 201340 | 6 | 54.2 ± 15.3 | 34.5 ± 12.7 | Yes | 97.0 ± 6.1 | NR | 1 (16.7%) | 0 |
| Shinoura et al., 201141 | 5 | 52.6 ± 19.4 | NR | No | NR | 2 (40%) | NR | NR |
| Kim et al., 200942 | 134 | NR | NR | No | NR | 98 (73.1%) | NR | NR |
| Low et al., 200743 | 4 | NR | 41.8 ± 26.1 | Yes | 87.5 ± 8.1 | NR | NR | NR |
| Meyer et al., 200144 | 13 | 46.6 ± 10.7 | 10.3 ± 11.7 | No | 97.5 ± 6.6 | NR | NR | NR |
NR, not reported. All numerical data reported as mean ± standard deviation. All categorical outcome data reported as n (%).
aImputed from median and interquartile range.
bOne case of postoperative mild right facial weakness which persisted till discharge was reported, but the permanency of deficit was unknown.