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. 2021 Jul 8;11:14136. doi: 10.1038/s41598-021-93617-7

Table 1.

Sample characteristics.

20–82 years
n = 277
Mean ± SD
20–29 years
n = 39
Mean ± SD
30–39 years
n = 51
Mean ± SD
40–49 years
n = 48
Mean ± SD
50–59 years
n = 56
Mean ± SD
60–69 years
n = 50
Mean ± SD
70 + years
n = 33
Mean ± SD
Sex (f/m) 129/148 18/21 25/26 23/25 28/28 22/28 13/20
Age (years) 49 ± 16 25 ± 3 34 ± 3 45 ± 3 55 ± 3 64 ± 3 75 ± 4
Height (cm) 173 ± 9 174 ± 10 174 ± 8 174 ± 8 173 ± 9 172 ± 10 170 ± 9
Body mass (kg) 70 ± 11 71 ± 13 70 ± 11 71 ± 10 71 ± 11 71 ± 11 69 ± 10
BMI (kg/m2) 24 ± 3 23 ± 3 23 ± 3 23 ± 2 24 ± 2 24 ± 2 24 ± 3
WC (cm) 84 ± 9 81 ± 9 81 ± 9 82 ± 9 86 ± 8 88 ± 8 89 ± 10
HC (cm) 98 ± 6 98 ± 7 98 ± 7 98 ± 6 98 ± 5 97 ± 6 98 ± 6
Body fat (%) 22 ± 7 21 ± 8 20 ± 7 20 ± 7 24 ± 6 25 ± 8 26 ± 7
Muscle mass (kg) 31 ± 6 31 ± 7 31 ± 6 32 ± 6 30 ± 6 30 ± 6 28 ± 5
Systolic BP (mmHg) 124 ± 15 120 ± 16 121 ± 12 118 ± 14 123 ± 15 130 ± 15 133 ± 14
Diastolic BP (mmHg) 81 ± 8 78 ± 8 79 ± 7 80 ± 8 81 ± 9 83 ± 7 82 ± 10
HbA1c (%) 5.1 ± 0.3 5.0 ± 0.3 5.0 ± 0.3 5.1 ± 0.3 5.1 ± 0.4 5.3 ± 0.3 5.4 ± 0.3
Cholesterol (mg/dl) 220 ± 42 186 ± 41 201 ± 33 218 ± 45 238 ± 34 236 ± 38 237 ± 37
Triglyceride (mg/dl) 120 ± 69 123 ± 69 114 ± 73 112 ± 73 119 ± 55 134 ± 58 122 ± 92
HDL (mg/dl) 65 ± 16 61 ± 14 64 ± 16 68 ± 18 67 ± 16 64 ± 17 66 ± 15
LDL (mg/dl) 125 ± 29 101 ± 27 111 ± 22 123 ± 31 140 ± 24 138 ± 27 135 ± 24
Creatinine (mg/dl) 0.83 ± 0.14 0.81 ± 0.14 0.82 ± 0.14 0.85 ± 0.14 0.84 ± 0.15 0.81 ± 0.13 0.83 ± 0.17
Hs-CRP (mg/l) 1.3 ± 2.6 1.7 ± 3.7 1.1 ± 3.1 0.9 ± 1.5 1.0 ± 1.3 1.7 ± 2.7 2.1 ± 2.4
VO2peak (ml/min/kg) 38 ± 9 42 ± 9 42 ± 7 42 ± 9 36 ± 8 33 ± 8 28 ± 6
IOP (mmHg) 15 ± 3 15 ± 2 15 ± 2 14 ± 2 16 ± 4 16 ± 4 16 ± 4
CRAE (µm) 181 ± 16 196 ± 13 186 ± 15 181 ± 13 181 ± 13 174 ± 14 166 ± 17
CRVE (µm) 211 ± 16 220 ± 15 214 ± 13 211 ± 16 211 ± 14 207 ± 16 199 ± 16
AVR 0.86 ± 0.06 0.89 ± 0.06 0.87 ± 0.05 0.86 ± 0.06 0.86 ± 0.06 0.84 ± 0.05 0.83 ± 0.07
aFID (%) 3.65 ± 1.96 3.74 ± 2.17 3.66 ± 1.81 3.76 ± 2.10 3.04 ± 1.58 4.08 ± 1.77 3.79 ± 2.43
vFID (%) 4.23 ± 1.84 4.64 ± 1.85 4.49 ± 1.88 4.03 ± 2.06 4.19 ± 1.85 4.15 ± 1.75 3.86 ± 1.56
aCON (%) − 1.65 ± 1.50 − 2.72 ± 1.97 − 1.99 ± 1.54 − 1.64 ± 1.27 − 1.29 ± 1.19 − 1.24 ± 1.27 − 1.11 ± 1.20

SD standard deviation; BMI body mass index; WC waist circumference; HC hip circumference; BP blood pressure; HbA1c hemoglobin A1c; HDL high-density lipoprotein; LDL low-density lipoprotein; Hs-CRP high-density C-reactive protein; VO2peak peak oxygen consumption; IOP intraocular pressure; CRAE central retinal arteriolar diameter equivalents; CRVE central retinal venular diameter equivalents; AVR arteriolar-to-venular diameter ratio; aFID arteriolar flicker light induced dilatation; vFID venular flicker light induced dilatation; aCON maximal arteriolar constriction.