Table 1: Characteristics of the study group.
|
Delivery < 37 wks (n = 141) |
Delivery < 34 wks (n = 14) |
Delivery 34-37 wks (n = 25) |
Delivery < 37 wks (n = 39) |
Age |
30 (19-43) |
29 (22-41) |
30 (18-42) |
30 (18-42) |
|
|
p > 0.05 |
p > 0.05 |
p > 0.05 |
Smoking |
15 (10.6%) |
6 (43%) |
9 (36%) |
15 (38%) |
|
|
p < 0.05 |
p < 0.05 |
p < 0.05 |
BMI |
22.4 (17.1-42.5) |
18.8 (17.3-27.9) |
19.4 (17-33.5) |
19.4 (17-33.5) |
|
|
p < 0.05 |
p < 0.05 |
p < 0.0001 |
Previous preterm delivery |
19 (13.5%) |
7 (50%) |
7 (28%) |
14 (35.9%) |
|
|
p < 0.05 |
p > 0.05 |
p < 0.05 |
Parity |
1 (1-5) |
1.5 (0-3) |
1 (1-2) |
1 (0-3) |
|
|
p > 0.05 |
p > 0.05 |
p > 0.05 |
Number of miscarriages |
0 (0-3) |
0 (0-1) |
0 (0) |
0 (0-1) |
|
|
p > 0.05 |
p > 0.05 |
p < 0.05 |
Induction of ovulation |
10 (7.1%) |
0 (0%) |
0 (0%) |
5 (12.8%) |
|
|
p > 0.05 |
p > 0.05 |
p > 0.05 |
In vitro |
3 (2.1%) |
0 (0%) |
5 (20%) |
0 (0%) |
|
|
p > 0.5 |
p > 0.05 |
p > 0.05 |
Spontaneous |
1 (0-3) |
1 (1-1) |
1 (0-1) |
1 (0-1) |
|
|
p > 0.05 |
p > 0.05 |
p > 0.05 |