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Table 2 Blood pressure (BP), resting heart rate (HR) and heart rate variability (HRV) among adults and teenagers

From: Influence of mercury exposure on blood pressure, resting heart rate and heart rate variability in French Polynesians: a cross-sectional study

Dependent variables

Teenagers (12-17 years old)

Adults (≥ 18 years old)

 

Mean (SD or 95% CI)

Median (25th-75th percentiles)

Mean (SD or 95% CI)

Median (25th -75th percentiles)

SBP (mm Hg)

111 (14)

110 (100-120)

133 (22)

130 (120-140)

DBP (mm Hg)

74 (11)

70 (65-80)

84 (15)

81 (75-90)

PP (mm Hg)

38 (12)

39 (30-45)

49 (16)

48 (40-58)

Resting HR (bpm)

74 (12)

72 (66-84)

67 (11)

66 (60-72)

LF (ms2)*

771 (674-883)

711 (523-1250)

374 (312-447)

435 (211-824)

LF norm (nu)

70.6 (9.0)

70.6 (63.8-77.7)

72.7 (11.9)

74.7 (66.7-81.5)

HF (ms2)*

303 (251-367)

338 (162-641)

129 (108-154)

138 (75-262)

HF norm (nu)

29.4 (9.0)

29.4 (22.3-36.2)

27.3 (11.9)

25.3 (18.5-33.3)

LF/HF*

2.54 (2.32-2.79)

2.40 (1.76-3.48)

2.89 (2.61-3.22)

2.95 (2.00-4.41)

SDNN (ms)*

89 (84-95)

88 (71-108)

80 (76-84)

83 (67-102)

SDANN (ms)*

56 (52-60)

56 (44-72)

53 (50-56)

56 (42-71)

rMSSD (ms)*

36 (33-39)

36 (27-49)

29 (27-31)

28 (21-39)

  1. * For variables not normally distributed, the geometric means and 95% confidence interval (CI) are presented; SD: standard deviation.