Table 1.
Statistics of pregnancy related factors.
| Parameter | N | Mean | Median | Minimum | Maximum | SD |
|---|---|---|---|---|---|---|
| maternal age [years] | 30 | 32.3 | 32.000 | 24.000 | 46.000 | 5.098 |
| number of pregnancies | 2.000 | 2.000 | 1.000 | 8.000 | 1.414 | |
| week of pregnancy | 38.786 | 39.000 | 35.000 | 41.000 | 1.548 | |
| number of deliveries | 1.862 | 2.000 | 1.000 | 7.000 | 1.187 | |
| newborn’s weight [g] | 3383.793 | 3300.000 | 2140.000 | 4740.000 | 584.089 | |
| pH * | 7.326 | 7.341 | 7.182 | 7.434 | 0.066 | |
| pCO2 [mmHg] * | 45.268 | 43.800 | 32.600 | 66.500 | 8.098 | |
| PO2 [mmHg] * | 24.643 | 23.200 | 14.600 | 42.700 | 7.887 | |
| cHCO3 [mmol/L] * | 22.729 | 23.100 | 19.200 | 26.700 | 2.045 |
* Blood acid-base balance indicators were determined on an ABL90 FLEX gas analyzer (Radiometer, Denmark).