Characteristic N DAT of Cord blood   χ2 (df) P-value
Positive Negative
Overall 50 12 (24.0%) 38 (76.0%) 13.52 (1) <0.001****
Age Group (yrs)
< 25
25 - 30
31+
20
16
14
2 (10.0%)
3 (18.8%)
7 (50.0%)
18 (90.0%)
13 (81.3%)
7 (50.0%)


7.58 (2)


0.023*
Parity
1
2
3
4+
21
10
12
7
3 (14.3%)
2 (20.0%)
2 (16.7%)
5 (71.4%)
18 (85.7%)
8 (80.0%)
10 (83.3%)
2 (28.6%)



10.16 (3)



0.017*
Blood group
A
AB
B
O
16
4
11
19
3 (18.8%)
1 (25.0%)
2 (18.2%)
6 (31.6%)
13 (81.3%)
3 (75.0%)
9 (81.8%)
13 (68.4%)



1.046 (3)



0.790 ns
Significant level: * = p<0.05, ***** = p<0.0001; ns= not significant (p>0.05).
Table 2: Cord blood DAT and association with the demographic characteristics of the study participants.