Table 1.
Demographic data, classification of hydrocephalus and shunt type
| AIS n = 86 | non-AIS n = 172 | P value | |
| Mean age [years] | 32.8 | 42.4 | 0.0071*1 |
| Sex [female/male] | 49/37 | 95/77 | 0.89432 |
| Functional classification of hydrocephalus | 0.09712 | ||
| Obstructive / | 17 | 50 | |
| communicating / | 68 | 114 | |
| Not-classified | 1 | 8 | |
| Shunt type | 0.33723 | ||
| Codman programmable | 73 | 143 | |
| Hakim | 11 | 17 | |
| Medos for children | 1 | 2 | |
| Others | 1 | 10 |
AIS patients were significantly younger than non-AIS patients.
1t-test. 2Fisher's exact test. 3Pearson. P significant at < 0.05.