Table 2.

Risk score developed by Forman et al. to predict worsening renal function [15].

Risk factor			Points
History of HF			1
Diabetes			1
Systolic blood pressure >160 mmHg at admission			1
Creatinine levels ≥1.5 and <2.5 mg/dL			2
Creatinine levels ≥2.5 mg/dL			3
Score	n	% of patients with score	% of Patients with worsening renal function	Relative risk
0	123	12.3	9.8	Referent
1	257	25.6	18.7	1.9
2	251	25	20.3	2.1
3	155	15.4	30.3	3.1
4+	218	21.7	52.8	5.4