Table 2: BLLs in the two groups of the studied cases at the time of diagnosis and changes in its levels overtime of treatment.

G I (n = 50) G II (n = 50) P- value
BLL 0 37.84 ± 10.14 39.33 ± 8.28 P 0-1 0.42
BLL 1 26.59 ± 8.45 40.49 ± 8.27 P 0-2 0.00
BLL 2 18.81 ± 7.90 40.01 ± 7.46 P 1-2 0.00
Paired difference0-1 &
(P0-1)
11.25 ± 2.97
0.00
-1.16 ± 0.80
0.00
Paired difference0-2 &
(P0-2)
19.10 ± 4.15
0.00
1.75 ± 1.14
0.00
Paired difference1-2 &
(P1-2)
18.81 ± 7.90
0.00
40.01 ± 7.46
0.00

G I: group I (received NAC supplementation); G II: group IV (received none of the supplements); P-value is significant at ≤ 0.05; BLL0: Blood lead level at the time of diagnosis of preeclampsia; BLL1: BLL at first follow up; after 4 weeks of treatment; BLL2: BLL at the second follow up; after 6 weeks of treatment.