Table 1 Schedule of the KNOW-CKD at each visit

Informed consent

O

Demographic information

O

Medical History

O

Eligibility confirmation

O

Recent events

O

O

O

O

O

O

O

O

O

O

O

Medications

O

O

O

O

O

O

O

O

O

O

O

O

Health Questionnaires

O

O

KDQOL questionnaires

O

O

Blood pressure

O

O

O

O

O

O

O

O

O

O

O

O

Anthropometry

O

O

O

O

O

O

O

O

O

O

O

O

CBC, chemistry

O

O

O

O

O

O

O

O

O

O

O

O

IDMS-traceable Cr, MDRD eGFR

O

O

O

O

O

O

O

O

O

O

O

O

Cystatin C

O

O

O

O

O

O

O

O

O

O

O

O

HbA1c (diabetic subjects)

O

O

O

O

O

O

O

O

O

O

O

O

Lipid panel, CRP, iron profile

O

O

O

O

O

O

Intact PTH, 25D, 1,25 D, cardiac troponin T

O

O

O

O

O

O

Urinalysis

O

O

O

O

O

O

O

O

O

O

O

O

24-h urine collection

O

O

O

O

O

Electrolyte/Cr/osmolality, albumin/protein (Spot urine)

O

O

O

O

O

O

Electrocardiogram, chest X ray

O

O

O

O

O

O

Echocardiography, Pulse wave velocity, Ankle-brachial index, MDCT, LS spine lateral X-ray for vascular calcification

O

O

O

Bone mineral density

O

O

O

O

DNA sample

O

Plasma/urine sample

O

O

O

O

O

O

O

O

O

O

O

O

Fundus exam (diabetic subjects)

O

Abdomen CT or MRI (polycystic kidney disease)

O

O

O

O

O

O

Family screen (polycystic kidney disease)

O