Table 3.

Summary of data collection in the Japan Diabetes Complications Study

	Baseline (1995)	1996 to 1999	5 year follow-up (2000)	2001 and after
Background characteristics	ADC
Clinical and laboratory measurementsa	ADC	ADC	ADC	ADC
Chest radiographs	ADC	ADC	ADC	ADC
Neurological examination	ADC	ADC	ADC	ADC
Urine testsb	ADC	ADC	ADC	ADC
Ophthalmological examination	ADC	ADC	ADC	ADC
Therapeutic measures	ADC	ADC	ADC	ADC
Electrocardiograms	ADC	ADC	ADC	ADC
Cardiovascular events	ADC	ADC	ADC	ADC
Lifestyle surveys	ADC		ADC

Abbreviation: ADC: annual data collection.

^aBody weight, waist circumference, hip circumference, blood pressure, fasting plasma glucose, HbA_1C, insulin, C-peptide, and lipids, measured at least semi-annually.

^bSerum creatinine, blood urea nitrogen, urine protein, and urine albumin, measured at least semi-annually.