Dynamic risk prediction for diabetes using biomarker change measurements

Table 3 Hosmer-Lemeshow test statistics

	Static Model		Dynamic Model
	Hosmer-Lemeshow test statistic	p-value^a	Hosmer-Lemeshow test statistic	p-value^a
Placebo
Baseline	7.43	0.11	7.43	0.11
1 year	7.28	0.12	5.64	0.23
2 years	5.70	0.22	5.65	0.23
3 years	11.03	0.03	7.95	0.09
Metformin
Baseline	6.34	0.17	6.34	0.17
1 year	16.40	0.002	7.80	0.10
2 years	7.79	0.10	6.34	0.18
3 years	6.25	0.18	5.68	0.22

^ap-value calculated using chi-squared distribution with degrees of freedom = g-1 = 4 where g = 5 is the number of strata used in the calculation of the Hosmer-Lemeshow test statistic

ISSN: 1471-2288