| Maternal and birth factors |
|
P |
| Means |
% |
|
| Maternal Age (years) |
<20years |
37,929 ± 3,092 |
1,86 |
0,1503 |
| 20-34years |
38,346 ± 1,931 |
73,61 |
0,2633 |
| ≥ 35years |
38,261 ± 2,610 |
24,51 |
0,3523 |
| Gestational Age (Week) |
Preterm birth |
32,615 ± 3,423 |
9,26 |
<0.0001 |
| Term deliveries |
38,899 ± 0,459 |
90,74 |
| Interpregnancy interval (years) |
Preterm birth |
1,683 ± 1,854 |
9,26 |
0.0593 |
| Term deliveries |
1,898 ± 1,804 |
90,74 |
| Gestity |
Preterm birth |
2,317 ± 1,674 |
9,26 |
0,0044 |
| Term deliveries |
2,609 ± 1.627 |
90,74 |
| Parity |
Preterm birth |
1,176 ± 0,90 |
9,26 |
0.0028 |
| Term deliveries |
1,459 ± 0,29 |
90,74 |
| Etiology of preterm |
Anemia |
36,750 ± 3,110 |
41.18 |
0.3978 |
| Hypertension |
37,986 ± 2,945 |
29.41 |
0.3034 |
| Diabetes |
38,400 ± 2,683 |
27.94 |
0.6725 |
| PROM |
37,374 ± 2,775 |
1.47 |
0.8589 |
|
