Table 3. Predictors of platelet count in neonates with SGA.
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| Coefficient | Confidence interval | Coefficient | Confidence interval | |
| Maternal hypertension | -24.3 | [-39.5, -9.1]* | 4.6 | [-9.7, 18.8] |
| Gestational age (per week) | 8.3 | [6.7, 9.9]* | 6.7 | [4.9, 8.5]* |
| Birth weight (per 100 g) | 5.0 | [4.0, 6.0]* | NA | NA |
| Moderate vs severe SGA | -12.1 | [-27.1, 2.9] | NA | NA |
| Erythroblastosis | -59.2 | [-72.8, -45.6]* | -43.3 | [-56.4, -30.2]* |
| Early onset sepsis | -5.6 | [-20.3, 9.1] | NA | NA |
Coefficient: the number of platelets x 109/L by which a platelet count is increased when the risk factor changes with one unit, if all other risk factors remain constant. For example: platelet count increases with 6.7x109/L with every week increase of gestational age at birth, and platelet count decreases with 43.3x109/L in the presence of erythroblastosis. If the confidence interval contains 0 the change in platelet count is not significant.
* significant change in platelet count. SGA = small for gestational age. Early onset sepsis = sepsis that occurred in the first 3 days of life.