Table 3.
Growth curve patterns of meningiomas
| n | Mean follow period (years) | Expo. | Linear | No trend | No growth | Gompertzian growth | |
|---|---|---|---|---|---|---|---|
| Nakasu et al.28) | 52 | 7.5 | 8 (15.4) | 44 (84.6) | |||
| Hashimoto et al.7) | 113 | 3.9 | 27 (23.9) | 36 (31.9) | 8 (7.1) | 42 (37.2) | NA |
| n | Mean follow period (years) | Expo. | Linear | Self-limiting | No growth | |||
|---|---|---|---|---|---|---|---|---|
| Lee et al.23) | Rapid-growth group | 59 | 2.9 | 13 (22.0) | 40 (67.8) | 6 (10.2) | ||
| Slow-growth group | 173 | 4.0 | Almost absent | Most of the cases | ||||
| Nakasu et al.26) | 61 | 4.4 | 9 (14.8) | 23 (37.7) | 29* (47.5) | |||
| Behbahani et al.4) | 54 | 0.5–5 | 14 (25.9) | 9 (16.7) | 19 (35.2) | 12** (22.3) | ||
*
Including no growth.
**
Including parabolic and decrease growth: percentage in the parentheses. Expo.: exponential growth.