Table 1 Clinical details and demographic profile of the patients with Batten disease (NCL1 and NCL2)
| Â | Total patients n = 34 | NCL1 n = 12 | NCL2 n = 22 |
|---|---|---|---|
Age at the time of investigation (years) | 4.46 ± 2.30 | 3.03 ± 1.80 | 5.25 ± 1.93 |
Gender | |||
 Male | 22 (64.7%) | 8 (66.6%) | 14 (63.6%) |
 Female | 12 (35.3%) | 4 (33.4%) | 8 (36.4%) |
Regional distribution | |||
 East India | 2 (5.9%) | 0 | 2 (9.09%) |
 West India | 9 (26.4%) | 2 (16.7%) | 7 (31.81%) |
 North India | 3 (8.8%) | 1 (8.3%) | 2 (9.09%) |
 South India | 20 (58.9%) | 9 (75%) | 11 (50%) |
Clinical presentation | |||
 Epilepsy | 31 (91.2%) | 10 (83.33%) | 21 (95.45%) |
 Visual impairment | 19 (55.9%) | 3 (25%) | 16 (72.72%) |
 Cerebral atrophy | 22 (64.7%) | 6 (50%) | 16 (72.72%) |
 Cerebellar atrophy | 27 (79.41%) | 6 (50%) | 21 (95.45%) |