Table 5.
Counts of index cases of anophthalmia and microphthalmia according to number of other cases within specified distances* (by rural or urban residence of index case)
| No of other cases* | Distance from index case (km)
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1
|
5
|
10
|
20
|
||||||||
| Rural† | Urban‡ | Rural | Urban | Rural | Urban | Rural | Urban | ||||
| 0 | 22 | 108 | 21 | 48 | 16 | 18 | 7 | 2 | |||
| 1 | 0 | 16 | 1 | 35 | 5 | 22 | 6 | 7 | |||
| 2 | 0 | 0 | 0 | 16 | 1 | 18 | 2 | 7 | |||
| 3 | — | — | — | 12 | — | 17 | 4 | 9 | |||
| 4 | — | — | — | 4 | — | 8 | 0 | 6 | |||
| 5 | — | — | — | 4 | — | 6 | 0 | 8 | |||
| 6+ | — | — | — | 5 | — | 35 | 3 | 85 | |||
†
First fifth of population density (22 cases).
‡
Fourth fifth of population density (124 cases).