| Age of children (years) |
|
| Minimum-maximum |
5-19 |
| Mean±SD |
11.23±4.12 |
| Sex |
|
| Male |
14 (63.6%) |
| Female |
08 (36.4%) |
| Sex ratio |
1.75:1 |
| Birth order |
|
| First and second |
04 (18.2%) |
| Third and more |
18 (81.8%) |
| Maternal age at first birth (years) |
|
| Minimum-maximum |
16-39 |
| Mean±SD |
25.18±5.13 |
| Years of birth: 1974-1989 |
|
| Mean maternal age±SD |
22.7±3.92 |
| Years of birth; 1990-2005 |
|
Mean maternal age±SD
*P value |
27.2±5.24
0.016 |
| Maternal age at birth of DS child (years) |
|
| Minimum-maximum |
21-52 |
Mean±SD
*P value |
36.27±7.59
0.0002 |
| Paternal age at birth of DS child(years) |
|
| Minimum-maximum |
27-62 |
| Mean±SD |
41.45±8.09 |
| Consanguinity |
|
| Consanguineous |
05 (22.7%) |
| Not consanguineous |
17 (77.3%) |
| Similar case in the family |
|
| No |
21 (95.4%) |
| Yes |
01 (04.6%) |
