The effects of oral vitamin D supplementation on the prevention of peritoneal dialysis-related peritonitis: study protocol for a randomized controlled clinical trial

Table 1 Data collection schedule

		Baseline	Week 4	Week 8	Week 12	Week 16	Week 20	Week 24	Week 28	Week 32	Week 36	Week 40	Week 44	Week 48
Demographic data, PMH, and medications		X
Clinical symptoms and adverse events		X	X	X	X	X	X	X	X	X	X	X	X	X
Biochemical indices	Blood routine	X			X			X			X			X
	Blood biochemistry	X			X			X			X			X
	Serum 25(OH)D	X			X			X			X			X
Dialysis adequacy	Weekly Kt/V	X			X			X			X			X
Dialysis adequacy	Weekly CCr	X			X			X			X			X
Adherence	24-h recall	X	X	X	X	X	X	X	X	X	X	X	X	X

CCr creatinine clearance rate, Kt/V urea clearance index, 25(OH)D 25-hydroxyvitamin D, PMH past medical history

ISSN: 1745-6215