Table 4. The demographic characteristics of newborn infants included in the study.
| Demographic data | Normal karyotype (no.91) |
Abnormal karyotype (no.59) |
OR (95% CI) | p | ||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| Sex: | ||||||
| Males | 43 | 47.3 | 31 | 52.5 | 1.235 (0.641-2.382) | 0.527 |
| Females | 48 | 52.7 | 28 | 47.5 | 0.809 (0.420-1.560) | |
| Gestational age (weeks) | ||||||
| Preterm (< 37) | 3 | 3.3 | 7 | 11.9 | 3.949 (0.978-15.937) | 0.050* |
| Full term (37-42) | 88 | 96.7 | 52 | 88.1 | 0.253 (0.063-1.022) | |
| Post term (> 42) | 0 | 0 | 0 | 0 | - | |
| Maternal age (years) | ||||||
| ≤ 35 | 68 | 74.7 | 19 | 32.2 | 0.161 (0.078-0.331) | < 0.001* |
| > 35 | 23 | 25.3 | 40 | 67.8 | 6.224 (3.023-12.820) | |
| Paternal age (years) | ||||||
| ≤ 40 | 70 | 76.9 | 12 | 20.3 | 0.077 (0.034-0.170) | < 0.001* |
| > 40 | 21 | 23.1 | 47 | 79.7 | 13.056 (5.867-29.05) | |
| Consanguinity | ||||||
| Present | 71 | 78.02 | 8 | 13.56 | 0.044 (0.018-0.108) | < 0.001* |
| Absent | 20 | 21.97 | 51 | 86.44 | 22.63 (9.244-55.407) | |
| Family history of genetic disease | ||||||
| Positive | 5 | 5.5 | 2 | 3.4 | 0.603 (0.113-3.218) | 0.705 |
| Negative | 86 | 94.5 | 57 | 96.6 | 1.657 (0.311-8.835) | |
*Statistically significant at p ≤ 0.05.