Skip to main content

Table 1 Summary of outcome measures

From: Combined effects of vitamin D supplementation and endurance exercise training on insulin resistance in newly diagnosed type 2 diabetes mellitus patients with vitamin D deficiency: study protocol for a randomized controlled trial

Outcomes Item Device
Primary outcomes
 Insulin sensitivity and insulin secretion The Matsuda index, the insulinogenic index, HOMA-IR, HOMA-β OGTT
Fasting blood measurements
 Vitamin D level Serum 25(OH)D, 1,25(OH)2D Fasting blood measurements
Secondary outcomes
 Body composition Percent body fat, muscle mass DXA
Waist circumference Standard tape
 Metabolic indices Fasting glucose (G0), fasting insulin (I0), HbA1c, triglyceride, cholesterol, low-density lipoprotein, and high-density lipoprotein Fasting blood measurements
 Ankle-brachial index Blood pressure, ABI, baPWV Validated automatic device
 Physical fitness factors Peak oxygen uptake, maximal heart rate Cycle ergometer
  Hand grip strength Hand grip dynamometer
  1. HOMA Homeostatic model assessment, IR Insulin resistance, 25(OH)D 25-hydroxyvitamin D, 1,25(OH)2D 1,25-Dihydroxyvitamin D, OGTT Oral glucose tolerance test, DXA Dual-energy X-ray absorptiometry, HbA1c Glycated hemoglobin, ABI Ankle-brachial index