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Table 1 Demographic and clinical characteristics of study participants

From: Immediate pressor response to oral salt and its assessment in the clinic: a time series clinical trial

Characteristics

Value

Age (yr) (n = 127)

30 (22–46)

Body mass index (kg/m2) (n = 127)

23.1 (20.8–27.4)

Fasting blood sugar (mmol/L) (n = 127)

4.7 (4.2–5.1)

Sex (n = 127)

 Male

61 (48.0)

 Female

66 (52.0)

Employment (n = 125)

 Employed

24 (19.2)

 Unemployed

93 (74.4)

 Retired

8 (6.4)

Marital status (n = 125)

 Married

46 (36.8)

 Single

66 (52.8)

 Divorced/separated

7 (5.6)

 Widowed

6 (4.8)

HIV status (n = 125)

 Negative

100 (80.0)

 Positive

25 (20.0)

Ankle brachial index (n = 125)

 Normal

119 (95.2)

 Peripheral artery disease

6 (4.8)

∆SBP (mmHg), highest–baseline (n = 127)

14 (7–21)

∆MAP (mmHg), highest–baseline (n = 127)

12 (7–16)

IPROS (n = 127)

 Responder (MAP≥10 mmHg)

79 (62.2)

 Nonresponder (MAP< 10 mmHg)

48 (37.8)

Other categories

 ∆SBP ≥20 mmHg

40 (31.5)

 ∆SBP < 20 mmHg

87 (68.5)

RBC count ×1012/L (n = 127)

4.61 (3.91–5.09)

Absolute ESS (%) (n = 127)

140 (104–164)

ESS category (n = 117)

 Low (< 80%)

15 (12.8)

 Average (80–120%)

27 (23.1)

 High (>  120%)

75 (64.1)

  1. Data are presented as median (interquartile range) or number (%)
  2. HIV Human immunodeficiency virus, ∆SBP Change in systolic blood pressure, ∆MAP Change in mean arterial pressure, MAP Mean arterial pressure, IPROS Immediate pressor response to oral salt, RBC Red blood cell, ESS Erythrocyte sodium sensitivity