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Table 2 Water and urine arsenic levels in cases and controls

From: Arsenic exposure and risk of preeclampsia in a Mexican mestizo population

Arsenic μg/L

Controls (n = 202)

Cases (n = 104)

P-value

Water

40.49 (16.40)a

39.58 (26.43)a

0.816b

Urine

6.78 (3.48)a

7.1 (5.74)a

0.428c

  

Mild PE n = 13

Severe PE/eclampsia n = 91

P-value

Water

 

46.03 (20.65)a

38.62 (26.87)a

0.519b

Urine

 

7.82 (6.87)a

7.03 (5.67)a

0.788c

  1. a Mean ± Standard deviation
  2. b Independent sample T test
  3. c Mann–Whitney U test