A randomized clinical trial to determine the effectiveness of CO-oximetry and anti-smoking brief advice in a cohort of kidney transplant patients who smoke: study protocol for a randomized controlled trial

Table 1 Baseline and follow-up measurements

	Basal	3 months	6 months	9 months	12 months
Donor variables	x
Age (years)
Gender
Type of donor (deceased versus living)
Recipient variables	x
Age (years)
Gender
Chronic kidney disease-related risk factors	x
Primary kidney disease
Renal replacement therapy before transplantation
Duration of renal replacement therapy before transplantation
Cold ischemia time
Pre-transplant cardiovascular risk factors	x
Weight (kg), height (m) and body mass index (kg/m²)
Pre-transplant systolic and diastolic blood pressure (BP)
Pre-transplant cholesterol (mg/dl), high-density lipoprotein (HDL) cholesterol (mg/dl), low-density lipoprotein (LDL) cholesterol (mg/dl), and triglycerides (mg/dl)
Cardiovascular events before transplantation
Previous malignancies
Left ventricular hypertrophy
Post-transplant cardiovascular risk factors		x	x	x	x
Body mass index (kg/m²)
Post-transplant systolic and diastolic blood pressure (BP)
New-onset diabetes mellitus after transplantation
Post-transplant left ventricular hypertrophy
Routine biochemistry at follow-up	x	x	x	x	x
Creatinine (mg/dl), proteinuria (g/day), leukocyte count (number/l), hematocrit (%), hemoglobin (g/dl), serum albumin (g/dl), total cholesterol (mg/dl), HDL cholesterol (mg/dl), LDL cholesterol (mg/dl), and triglycerides (mg/dl)
Follow-up of kidney transplantation		x	x	x	x
Post-transplant cardiovascular events
Acute rejection episodes
Graft failure
Infections

ISSN: 1745-6215