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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