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Table 2 Characteristics of study sample, by Post-Occlusive and Thermal Hyperemic categories

From: Microvascular endothelial dysfunction is associated with albuminuria and CKD in older adults

  Post-Occlusive Reactive Hyperemia(N = 65) Thermal Hyperemia (N = 52)
  High Low p-value High (>892 %) Low (<892 %) p-value
Age 68.6 70.6 (7.6) 0.3 68.5 (7.3) 69.8 (1.5) 0.5
African American 15 (48.4 %) 17 (56.7 %) 0.5 17 (65.4 %) 12 (46.2 %) 0.2
SBP (mmHg) 145.5 (15.0) 136.0 (18.3) 0.03 141.3 (16.0) 137.2 (18.8) 0.4
DBP (mmHg) 76.5 (10.0) 72.1 (8.1) 0.06 75.4 (10.2) 73.2 (8.1) 0.4
BMI 30.7 (6.6) 30.4 (5.5) 0.9 30.2 (6.3) 32.6 (4.8) 0.14
Diabetes 13 (41.9 %) 18 (60 %) 0.2 16 (61.5 %) 10 (38.5 %) 0.10
Coronary Artery Diseasea 5 (16.1 %) 5 (16.7 %) 1.0 4 (15.4 %) 4 (15.4 %) 1.0
Smoking       0.6
 Current 19 (61.3 %) 19 (63.3 %) 0.6 1 (3.9 %) 0 (0 %)
 Former 0 (0 %) 1 (3.3 %) 15 (57.7 %) 17 (65.4 %)
10 (38.5 %) 9 (34.6 %)
 Never 12 (38.7 %) 9(30 %)
ACEI or ARB 19 (63.3 %) 26 (83.9 %) 0.07 18 (69 %) 18 (69 %) 1.0
Nitrates 1 (3.3 %) 1 (3.3 %) 0.8 1 (3.9 %) 0 0.5
eGFR (cc/min/1.73 m2) 69.2 (4.9) 56.0 (4.1) 0.04 61.9 (24.0) 68.7 (29.8) 0.4
Alb/Cr ratio 5 [2.3, 26] 18.2 0.006 4.4 21.5 0.009
[7.2, 334] [2.8, 11.8] [4.4, 207]
  1. Cell values represent mean (SD), median [inter-quartile range], and N (%)
  2. aPatients with unstable coronary disease or with recent coronary intervention were excluded