Cost-Effectiveness of the Interventions in the Primary Prevention of Diabetes Among Asian Indians: Within-trial results of the Indian Diabetes Prevention Programme (IDPP)

Epidemiology/Health Services Research

Cost-Effectiveness of the Interventions in the Primary Prevention of Diabetes Among Asian Indians

¹India Diabetes Research Foundation, and Dr. A. Ramachandran’s Diabetes Hospitals, Chennai, India
²Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, Georgia

Address correspondence and reprint requests to Prof. A. Ramachandran, India Diabetes Research Foundation and Dr. A. Ramachandran’s Diabetes Hospitals, 28, Marshall’s Road, Egmore, Chennai 600008, India. E-mail: ramachandran{at}vsnl.com

Diabetes Care 2007 Oct; 30(10): 2548-2552. https://doi.org/10.2337/dc07-0150

Table 1—

Components of expenditure considered for direct medical costs incurred during the intervention period of 3 years in various arms of the study

Table 2—

Summary of the total and incremental costs of the interventions of IDPP and sensitivity analysis with hypothetical models

Type of intervention	Cost of intervention
Type of intervention		Control	LSM	Met	LSM + Met
1st year	939 (21)	3883 (86)	3,568 (79)	4,571 (102)
2nd year	900 (20)	2594 (58)	3,069 (68)	3,254 (72)
3rd year	900 (20)	3659 (81)	3,244 (72)	4,319 (96)
Total	2,739 (61)	10,136 (225)	9,881 (220)	12,144 (270)
No. needed to prevent one case of diabetes (NNT)	—	6.4	6.9	6.5
Incremental cost (IC)	—	7,397 (164)	7,142 (159)	9,405 (209)
CER: IC × NNT	—	47,341 (1,052)	49,280 (1,095)	61,133 (1,359)
Sensitivity analysis (CER)
No physician, effectiveness 10% less		42,979 (955)	49,176 (1,093)	57,927 (1,287)
Group sessions, effectiveness same		37,670 (837)	47,886 (1,064)	51,311 (1,140)
Group sessions, effectiveness 10% more		33,903 (753)	43,444 (965)	46,259 (1,028)