Table 3.

Predictive values of a clinical prediction score

Score	Sensitivity (%)	Specificity (%)	+LR (95% CI)	Post-test probability (95% CI)*
4-5	100.0	0	1	17.5% (15%-20%)
6-8	76.1	68.8	2.5(2.2-2.7)	35% (29%-40%).
9-11	33.4	93.2	4.9 (3.9 - 6.3)	50% (45%-55%)
≥ 12	17.9	97.6	7.5 (.6 - 10.1)	60% (55%-65%)

*Based on CKD prevalence of 17.5% and its 95% CI of 14.6% - 20.4%