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Table 1 Clinical characteristics of women from three groups in the present study

From: Association of autoantibodies against the M2-muscarinic receptor with perinatal outcomes in women with severe preeclampsia

  Non-pregnant Normal pregnant Severe preeclampsia
(n = 60) (n = 60) (n = 60)
Age (years) 30.4 ± 3.9 29.0 ± 0.6 29.5 ± 4.7
Gestational age (weeks) NA 38.6 ± 0.3 33.1 ± 4.6*
Systolic blood pressure (mmHg) 118.7 ± 6.8 115.5 ± 1.6 168.0 ± 15.7*
Diastolic blood pressure (mmHg) 74.7 ± 6.3 73.9 ± 1.4 109.6 ± 12.4*
Urinary protein (mg/24 h) Nd† Nd† 6448.1 ± 2814.6
  1. Data are mean ± SD. Student’s unpaired two-tailed t-test was used to compare the non-pregnant to the normal pregnant group and the normal pregnant group to the severe preeclampsia group. Significant differences are indicated by * (p < 0.001).
  2. Nd: not determined; NA: not applicable.
  3. †: Urine protein of normal pregnant and non-pregnant women was within normal ranges and not routinely recorded.