Table 4.
Comparison of the age characteristics of the epilepsy cases in 1991–1992 and 2017
| 1991–1992 | 2017 | ||||
|---|---|---|---|---|---|
| SCE | SCE | P | PWE | P | |
| Age (years), median (IQR) | 16 (13–21) | 26 (20–34) | <0.001 | 24 (20–32) | <0.001 |
| Age group | |||||
| < 10 years, n (%) | 8 (9.5) | 3 (2.7) | 1 (1.2) | ||
| 10–19 years, n (%) | 49 (58.3) | 23 (20.5) | 18 (22.2) | ||
| 20–29 years, n (%) | 21 (25.0) | 44 (39.3) | 34 (42.0) | ||
| ≥ 30 years, n (%) | 6 (7.1) | 42 (37.5) | 28 (34.6) | ||
| Crude age-specific prevalencea | <0.001 | <0.001 | |||
| < 10 years, (%) | 2.5 | 0.4 | 0.1 | ||
| 10–19 years, (%) | 22.3 | 4.9 | 3.8 | ||
| 20–29 years, (%) | 16.3 | 11.6 | 9.0 | ||
| ≥ 30 years, (%) | 1.6 | 6.0 | 4.0 | ||
| Age at onset (years), median (IQR) | 12 (8–15)b | na | 12 (10–14)c | 0.294 | |
| Age group at onset | |||||
| < 10 years, n (%) | 21 (25.0) | 19 (24.4) | |||
| 10–19 years, n (%) | 49 (58.3) | 57 (73.1) | |||
| 20–29 years, n (%) | 5 (6.0) | 1 (1.3) | |||
| ≥ 30 years, n (%) | 1 (1.2) | 1 (1.3) | |||
| Years since onset of epilepsy, median (IQR) | 5 (2.0–7.5)b | na | 12.5 (7–21)b | <0.001 | |
aEstimated number of people per age group (< 10, 10–19, 20–29 and ≥ 30 years) were obtained by applying the age structure of districts from the 1987 census
b8 missing data
Abbreviation: na, not available