Choosing the most appropriate existing type 2 diabetes risk assessment tool for use in the Philippines: a case-control study with an urban Filipino population

Table 2 Performance of Existing Risk Screening Tools

Risk Assessment Tool	Cut-off ^a	Risk Score	Number with Dys-glycemia (True Positive) n = 71	Number with Normal FBS (True Negative) n = 129	Sensitivity	Specificity	PPV	NPV	LR+	LR -
CANRISK	≥ 33	+ -	61 10	59 70	0.86	0.54	0.20	0.92	1.88	0.26
FINDRISC	≥ 15	+ -	67 4	71 58	0.94	0.45	0.20	0.95	1.72	0.13
ADA	≥ 3	+ -	61 10	67 62	0.86	0.48	0.19	0.93	1.65	0.29
IDRS	≥ 60	+ -	65 6	81 48	0.92	0.37	0.19	0.96	1.46	0.23
Indonesian	≥ 14	+ -	63 8	85 44	0.89	0.34	0.18	0.96	1.35	0.33
Filipino	≥ 21 ^b	+ -	48 23	35 94	0.68	0.73	0.27	0.92	2.49	0.45

FBS fasting blood sugar, PPV positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR- negative likelihood ratio
^a High or very high risk of undiagnosed diabetes or for developing diabetes
^b Average total points for a diabetic (not stated as a cut-off)

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