Patients aged from 20 to 79 years old

BMI ranged from 18.5 to 27 kg/m2

Presence of one of the condition

* Diagnosed hypertension \> 6 months, without other systemic diseases

* Diagnosed diabetes mellitus \> 6 months, without other systemic diseases

* Diagnosed with both hypertension and diabetes mellitus \> 6 months, without other systemic diseases

* Diagnosed with end stage renal disease \> 6 months

* Received renal replacement therapy \> 6 months

* Diagnosed with coronary artery disease \> 6 months

* Diagnosed with peripheral arterial occlusive diseases \> 6 months

Population Research of Sublingual Microcirculation Data of Patients With Systemic Diseases