Table 2 Descriptive statistics of adverse pregnancy outcomes, air pollutants, PET in Ahvaz city, 2008–2018
Variable (Mean per day) | N | Mean ± SD | Median | Min | Max |
|---|---|---|---|---|---|
Stillbirth | 1965 | 0.5 ± 0.8 | 0 | 0 | 5 |
LBWa | 863 | 0.2 ± 0.6 | 0 | 0 | 5 |
PTLb | 5776 | 1.6 ± 1.9 | 1 | 0 | 12 |
SAc | 5063 | 1.4 ± 1.4 | 1 | 0 | 8 |
Pre-Eclampsia | 4357 | 1.2 ± 1.2 | 1 | 0 | 8 |
Gestational hypertension | 4030 | 1.1 ± 1.2 | 1 | 0 | 13 |
NO2d(µg/m3) | --- | 46.4 ± 43.1 | 35.6 | 1.5 | 443.8 |
SO2e (µg/m3) | --- | 48.8 ± 57.0 | 35.9 | 0 | 907.4 |
PM10f (µg/m3) | --- | 216.9 ± 278.3 | 149.2 | 1.8 | 4324.2 |
PET g | --- | 27.6 ± 11.6 | 27.9 | 0.8 | 47.3 |