Table 2.

RR for rise in serum creatinine after the first week of fasting

	Any rise of serum creatinine			Rise of serum creatinine >30%
	RR	95% CI	P-value	RR	95% CI	P-value
RAS blockers	2	1.2–3.5	0.002	8.3	1.1–62	0.006
CCB	0.6	0.36–0.9	0.01	0.5	0.13–1.7	0.2
Diuretics	1.6	0.95–2.5	0.05	0.4	0.1–1.5	0.2
Age >60 years	1	0.6–1.5	0.9	0.3	0.07–1.4	0.09
CKD Stage 4 or 5a	0.7	0.2–2.3	0.6	1.4	0.3–6.5	0.7
CVD	1.1	0.7–1.8	0.6	1.8	0.5–5.8	0.4
Diabetes	1.2	0.7–1.8	0.4	1.9	0.6–6	0.3
Gender, male	1.3	0.7–2	0.3	1.3	0.4–4.6	0.7
Hypertension	1.7	0.4–6	0.3	0.6	0.2–2.5	0.5

RAS, renin angiotensin system; CCB, calcium channel blocker; CVD, pre-existing cardiovascular disease.

^aCKD Stage 4 and 5 patients compared with Stage 3.