Demographics information
| Characteristics of Patients | <1 cm | 1–2 cm | >2 cm | P Value |
|---|---|---|---|---|
| Based on distance between lesion and SMC | ||||
| No. of subjects (n = 74) | 31 | 16 | 27 | .09 |
| Male (%) | 55 | 50 | 74 | .20 |
| Handedness (% right)a | 74 | 93 | 76 | .34 |
| Mean age ± SD (yr) | 50 ± 17.0 | 43 ± 12.5 | 41 ± 15.5 | .05 |
| Grade III or IV tumors (%) | 71 | 50 | 43 | .10 |
| Mean length of follow-up (mo)b | 40 | 35 | 49 | .28 |
| Based on distance of lesion from Broca or Wernicke areac | ||||
| No. of subjects (n = 77) | 26 | 15 | 36 | .01 |
| Male (%) | 61 | 40 | 55 | .74 |
| Handedness (% right) | 81 | 73 | 78 | .88 |
| Mean age ± SD (years) | 44 ± 14.4 | 40 ± 18.6 | 49 ± 15.7 | .12 |
| Grade III or IV tumors (%) | 54 | 60 | 53 | .89 |
| Mean length of follow-up (mo)b | 58 | 56 | 43 | .26 |
a For the motor deficits study cohort, handedness was unknown for n = 5 subjects.
b The survival analysis patient cohort is slightly different from the cohort used in other parameter characterizations.
c Grouping was based on minimum distance from either Broca or Wernicke area.