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Table 1 Clinical and hemodynamic characteristics in pregnant women

From: Quantitative evaluation of longitudinal strain in layer-specific myocardium during normal pregnancy in China

Variable Controls Trimester 1 Trimester 2 Trimester 3 Postpartum
- (13.6 ± 2.2)wk (24.8 ± 3.4)wk (38.1 ± 2.6)wk (7.4 ± 2.4)wk
No. participants 30 62 62 62 62
Weight(kg) 59.3 ± 11.4 61.1 ± 9.6 68.2 ± 8.5*†‡§ 72.8 ± 7.0* 62.8 ± 13.5
BSA(m2) 1.63 ± 0.12 1.64 ± 0.20 1.66 ± 0.11 1.74 ± 0.10* 1.66 ± 0.18
Heart rate(bpm) 81.1 ± 14.3 82.6 ± 12.4 85.1 ± 17.2 90.1 ± 9.8* 81.3 ± 14.2
SBP(mmHg) 104.2 ± 10.7 105.1 ± 8.7 102.9 ± 11.5 107.6 ± 9.6 110.2 ± 10.3
DBP(mmHg) 64.4 ± 8.0 64.3 ± 6.9 61.3 ± 6.8‡§ 67.2 ± 7.9 68.6 ± 6.2
MBP(mmHg) 79.3 ± 8.5 80.5 ± 7.0 76.5 ± 6.2‡§ 81.7 ± 7.7 83.3 ± 8.1
CI (l · min-1 · m-2) 2.98 ± 0.76 3.01 ± 0.66 3.59 ± 0.79* 4.06 ± 0.72* 3.36 ± 0.72
SVI(ml/m2) 34.58 ± 6.23 35.11 ± 9.60 37.56 ± 8.52 39.03 ± 5.34* 36.56 ± 7.54
  1. Data are given as mean ± SD, BSA indicates Body surface area
  2. SBP systolic blood pressure, DBP diastolic blood pressure, MBP mean blood pressure, CI cardiac index, SVI stroke volume index
  3. *P < 0.05 vs. Controls; P < 0.05 vs. Trimester 1; P < 0.05 vs. Trimester 3; §P < 0.05 vs. Postpartum