[Table/Fig-2]:
Base line characteristics of subjects according to grade and brain invasion.
| Variables | Total (n = 224) (%) |
Grade | Brain invasion | ||
|---|---|---|---|---|---|
| I (n = 193)(%) |
II (n = 24)(%) |
III (n = 7)(%) |
Total (n = 18)(%) |
||
| Age in mean (range in yrs) |
48.9 (5-71) | 45.0(5-75) | 44.2 (12-68) | 50.6 (10-71) | 68.2 (10-75) |
| Sex | |||||
| Female | 146 (65.18) | 126 (65.28) | 15(62.5) | 5(71.43) | 14(77.77) |
| Male | 78 (34.82) | 67(34.72) | 9(37.5) | 2(28.57) | 4(22.22) |
| Location | |||||
| Convex/cerebral | 94 (41.96) | 74(38.14) | 16(66.67) | 4(66.67) | 12(66.66) |
| Spinal | 40 (17.86) | 39(20.1) | 1(4.17) | 0(0) | 0(0) |
| Parasagittal | 23 (10.27) | 21(10.82) | 2(8.33) | 0(0) | 0(0) |
| Sphenoid | 10 (4.46) | 9(4.64) | 0(0) | 1(16.67) | 1(5.55) |
| Falx/falcine | 9 (4.02) | 8(4.12) | 1(4.17) | 0(0) | 1(5.55) |
| Tentorial | 7 (3.13) | 6(3.09) | 0(0) | 1(16.67) | 1(5.55) |
| Miscellaneous | 41 (18.30) | 37(19.17) | 4(16.67) | 0(0) | 3(16.66) |
| Subtype | |||||
| MM | 53(23.66) | 44(22.79) | 9(37.5) | 0(0) | 5(27.77) |
| TM | 40(17.85) | 38(19.68) | 2(8.33) | 0(0) | 2(11.11) |
| PsM | 32(14.28) | 27(13.98) | 5(20.83) | 0(0) | 3(16.66) |
| FM | 28(12.5) | 27(13.98) | 1(4.16) | 0(0) | 0(0) |
| AM | 11(4.91) | 10(5.18) | 1(4.16) | 0(0) | 0(0) |
| MeM | 6(2.67) | 6(3.10) | 0(0) | 0(0) | 0(0) |
| SM | 1(0.44) | 1(0.51) | 0(0) | 0(0) | 0(0) |
| ATY M | 3(1.33) | 0(0) | 3(12.5) | 0(0) | 2(11.11) |
| CLM | 3(1.33) | 0(0) | 3(12.5) | 0(0) | 1(5.55) |
| ANA M | 1 (0.52) | 0(0) | 0(0) | 1(16.66) | 1(5.55) |
| PA M | 5(2.23) | 0(0) | 0(0) | 5(83.33) | 4(22.22) |
CP - Cerebellopontine; MM - Meningothelial meningioma; TM - Transitional meningioma; PsM – Psammomatous meningioma; FM – Fibroblastic meningioma; AM – Angiomatous meningioma; MeM - Metaplastic meningioma; SM - Secretary meningioma; ATY M - Atypical meningioma; CLM - Clear cell meningioma; ANA M - Anaplastic meningioma; PA M - Papillary meningioma.