Table 2: Haemostatic parameters of the pregnant women based on gestational age.
Parameter |
1st trimester |
2nd trimester |
3rd trimester |
ANOVA (df) |
P-value |
Number (%) ( n = 200) |
30 (15.0%) |
120 (60.0%) |
50 (25.0%) |
|
|
Platelet count (X109/L) (Mean ± SD) (Range) |
257.0 ± 69.0 125-396 |
219.8 ± 87.8 90-416
|
249.1 ± 75.0 110-406 |
3.784 (2) |
< 0.05 |
PT (seconds) (Range) |
14.1 ± 0.99 12.0-16.0 |
11.4±3.12 10.0-12.0 |
10.6 ± 2.20 10.0-11.2 |
16.760 (2) |
< 0.05 |
INR |
1.11 ± 0.10 |
1.09 ± 0.22 |
1.07 ± 0.10 |
0.470 (2) |
> 0.05 |
PTTK (seconds) (Range) |
44.10 ± 7.20 43.3-46.1 |
40.32 ± 6.40 41.3-43.3 |
39.40 ± 8.10 38.4-44.3 |
4.603 (2) |
< 0.05 |
Fibrinogen concentration (g/L) (Range) |
3.4 ± 0.80
2.9-4.2 |
3.7 ± 0.72
3.7-5.1 |
3.6 ± 0.88
3.7-4.8 |
1.850 (2) |
< 0.05 |
PT: Prothrombin time; Secs: Seconds; PTTK: Partial thromboplastin time with kaolin; INR: International normalized ratio
P > 0.05 = Not significant; P < 0.05 = Significant