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| Saudi Population | Preterm birth rate/1,000 Live births | Chi-square statistic | Odds Ratio | |
| (Mar-June) | (P-value) | (95% Confidence Interval) | ||
| 2017-2019 | 2020 | |||
| Saudi Nationals | 10.02 | 8.39 | 0.272 (0.602) | - |
| Saudi Expats | 18.62 | 15.11 | 0.412 (0.521) | 1.07 (0.75 – 1.52) |
