Distinct Features of Gut Microbiota in High-Altitude Tibetan and Middle-Altitude Han Hypertensive Patients

Table 1

Baseline clinical characteristics of participants among subgroups of HPs.

Baseline clinical characteristics	LHH (n = 34)	MHH (n = 49)	HTH (n = 38)	value
Age (years)	55.9 ± 9.7	55.1 ± 8.7	52.8 ± 10.6	0.349
Sex (male/female)	16/18	28/21	23/15	0.491
Smoking, n (%)	15 (44.11)	27 (55.10)	16 (52.63)	0.467
BMI (kg/m^2)	23.94 ± 0.60	23.64 ± 1.03	24.01 ± 0.94	0.137
SBP (mmHg)	147.7 ± 14.1	146.7 ± 10.2	146.6 ± 15.8	0.934
DBP (mmHg)	84.7 ± 15.4	82.6 ± 6.4	83.4 ± 11.2	0.693
TC (mmol/L)	4.03 ± 0.82	4.24 ± 0.78	4.16 ± 0.86	0.540
TG (mmol/L)	1.06 ± 0.11	1.07 ± 0.12	1.06 ± 0.12	0.797
HDL-C (mmol/L)	1.14 ± 0.33	1.03 ± 0.24	1.04 ± 0.27	0.208
LDL-C (mmol/L)	2.38 ± 0.63	2.53 ± 0.85	2.73 ± 0.68	0.135

Values are expressed as mean ± SD or n (%). values are calculated by one-way ANOVA or chi-squared test, and was considered statistically significant. Abbreviations: LHH, the Han HPs from low-altitude (Wuhan: 13 m); MHH, the Han HPs living at middle-altitude (Xining: 2260 m); HTH, the Tibetan HPs residing at high-altitude (Qinghai-Tibet Plateau: 3600–4500 m); BMI, Body Mass Index; SBP, systolic blood pressure; DBP, diastolic blood pressure; TC, total cholesterol; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol.