Risk of chronic kidney disease in young adults with impaired glucose tolerance/impaired fasting glucose: a retrospective cohort study using electronic primary care records

Table 3 Adjusted incidence rate of CKD in IGT/IFG compared to normoglycaemia

Predictors		IRR	95% (CI)	P-Value
IGT/IFG vs normoglycaemia		2.6	(2.0, 3.4)	< 0.001
Female		1.1	(0.9, 1.4)	0.425
Age (in years)		1.1	(1.0, 1.1)	< 0.001
Ethnicity
White	Reference	1.0
Asian		1.2	(0.8, 1.7)	0.389
Black		1.0	(0.6, 1.9)	0.955
Chinese		1.2	(0.2, 8.7)	0.845
Mixed		0.5	(0.1, 3.3)	0.439
Other		1.0	(0.4, 2.8)	0.970
Missing		0.7	(0.5, 0.8)	0.001
BMI (kgs/m²)
< 20	Reference	1.0
20–24.9		1.9	(0.9, 4.5)	0.127
25–29.9		2.5	(1.1, 5.8)	0.029
30–34.9		3.2	(1.4, 7.5)	0.006
35–39.9		2.6	(1.1, 6.2)	0.037
≥ 40		3.2	(1.3, 7.6)	0.010
Missing		1.4	(0.6, 3.5)	0.452
Deprivation quintile
Least deprived 1	Reference	1.0
2		0.8	(0.5, 1.3)	0.394
3		1.1	(0.8, 1.6)	0.571
4		0.9	(0.6, 1.4)	0.756
Most deprived 5		1.3	(0.9, 1.9)	0.123
Missing		1.4	(0.8, 2.3)	0.256
CVD		0.9	(0.4, 2.3)	0.905
HF		0.8	(0.1, 6.2)	0.872
AF		2.9	(0.4, 21.0)	0.285
Hypertension		3.1	(2.3, 4.2)	< 0.001
Steroid		1.1	(0.9, 1.5)	0.404

Abbreviations: BMI body mass index, CVD cardiovascular disease, HF heart failure, AF atrial fibrillation, CI confidence interval

ISSN: 1471-2369