Endothelial dysfunction assessment by flow-mediated dilation in a high-altitude population

Figures & data

Table 1 Comparison of patient characteristics

Variables	Cases (n=28)	Controls (n=33)	p-value
Female gender (%)	78.6	60.6	0.108
Firewood cooking (%)	46.4	30.3	0.152
Age (years)	67.86	54.52	0.001*
Anthropometric measures
Weight (kg)	64.21	64.62	0.894
Height (cm)	148.11	158.13	<0.001*
BMI (kg/m^2)	29.53	25.84	0.002*
Waist measurement (cm)	98.19	92.74	0.044*
Hip measurement (cm)	102.96	99.81	0.265
Brachial artery diameter
Basal diameter (mm)	4.56	4.33	0.169
Post hyperemia diameter 1 min (mm)	4.80	4.90	0.530
Post isosorbide diameter (mm)	5.07	5.27	0.006*
Carotid intima (mm)	0.72	0.64	0.111
Post hyperemia dilation (%)	12.71	17.12	0.027*
Post isosorbide dilation (%)	14.56	22.29	0.004*
FMD ED
ED post FMD (%)	67.9	33.3	0.007*
ED post isosorbide (%)	32.1	24.2	0.344

Notes:

* significant p-value.

Abbreviations: BMI, body mass index; ED, endothelial dysfunction; FMD, flow-mediated dilation; SD, standard deviation.

Table 2 Anthropometric variables in patients with ED and normal FMD results

Postcompression endothelial dysfunction		Age (years)	BMI (kg/m^2)	Waist measurement (cm)	Hip measurement (cm)
No ED	Mean	59.19	27,319	96.72	101.41
	N	31	30	29	29
	SD	18,909	4,0732	9,732	10,126
ED post FMD	Mean	62.13	27,806	93.83	101.14
	N	30	30	29	29
	SD	13,948	5,3804	10,807	11,363
Total	Mean	60.64	27,563	95.28	101.28
	N	61	60	58	58
	SD	16,583	4,7375	10,297	10,669
p-value		0.493	0.694	0.288	0.923

Abbreviations: BMI, body mass index; ED, endothelial dysfunction; FMD, flow-mediated dilation; SD, standard deviation.