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Table 1 Main characteristics of 101 women included in the study: normotensive and the hypertensive groups

From: Foetal aortic flow velocity waveforms in healthy and hypertensive pregnant women

  All patients (n = 101) Normotensive (n = 71) Hypertensive (n = 30) p-value*
n (%)
Age (intervals in years) 17-24 13 (13%) 13 (18%) 0 (0%) <0.001
25-34 58 (57%) 46 (65%) 12 (40%)
35-43 30 (30%) 12 (17%) 18 (60%)
Education level (in years) <7 4 (4%) 3 (4%) 1 (3%) 0.616
7-9 31 (30%) 23 (32%) 8 (27%)
10-12 37 (37%) 23 (32%) 14 (47%)
>12 29 (29%) 22 (31%) 7 (23%)
Smoking No 82 (81%) 60 (85%) 22 (73%) 0.301
Yes 19 (19%) 11 (15%) 8 (27%)
Parity 0 54 (53%) 43 (61%) 11 (37%) 0.048
≥1 47 (47%) 28 (39%) 19 (63%)
Body mass index at admission (Kg/m2) 18-24 53 (52%) 48 (68%) 5 (16%) <0.001
25-29 33 (33%) 16 (22%) 17 (57%)
30-51 15 (15%) 7 (10%) 8 (27%)
GA at trimestral evaluation1 13.04 (0.68)   13.12 (0.73) 12.85 (0.50) 0.030
20.73 (0.77)   20.77 (0.80) 20.61 (0.71) 0.327
30.45 (1.20)   30.61 (0.75) 30.06 (1.85) 0.122
GA at delivery1 38.9 (1.68)   38.9 (1.67) 38.9 (1.71) 0.907
  1. GA: gestational age; 1Average GA in weeks ± SD; *p - tests homogeneity of the proportions between hypertensive and normotensive; SD: standard deviation.