Table 1.
Basic characteristics of 236 children with developmental hydrocephalus
| All hydrocephalus (n=236) | MM (n= 78) | Proximal obstruction (n=60) | Distal obstruction (n=25) | Cysts and celes (n=38) | Communicating (n=31) | |
|---|---|---|---|---|---|---|
|
| ||||||
|
Male N (%) |
131 (55.3) | 43 (55.1) | 14 (56.0) | 14 (56.0) | 18 (47.4) | 22 (71.0) |
|
| ||||||
| Age at diagnosis N (%) | ||||||
| Prenatal and <1w | 166 (72.2) | 78 (100.0) | 51 (86.4) | 2 (8.0) | 24 (64.9) | 11 (35.4) |
| 1w-6m | 37 (16.1) | 0 (0.0) | 7 (11.9) | 9 (36.0) | 9 (24.3) | 12 (38.7) |
| >6m-12mo | 27 (11.7) | 0 (0.0) | 1 (1.7) | 14 (56.0) | 4 (10.8) | 8 (25.8) |
|
| ||||||
|
Age at last visit (yrs) mean +/− SD (min, max) |
4.6 +/− 3.1 (0.0, 13.1) | 4.9 +/− 3.1 (0.1, 11.7) | 4.9 +/− 3.2 (0.0, 11.8) | 5.2 +/− 3.2 (0.3, 11.3) | 4.7 +/− 3.1 0.4, 13.1) | 3.0 +/− 2.1 (0.1, 10.0) |
|
| ||||||
|
Evans index median (min, max) |
0.44 (0.26, 0.88) | 0.41 (0.30, 0.76) | 0.56 (0.34, 0.88) | 0.41 (0.31, 0.71) | 0.43 (0.31, 0.59) | 0.37 (0.26, 0.80) |