Screening for Nephropathy in Diabetes Mellitus: Is Micral-Test Valid among All Diabetics?

Table 1

Assessment of validity of Micral-test according to subgroups of diabetics.

Cut-off value: 20 mg/L	Sensibility (%)	Specificity (%)	Kappa		NPV	PLR	NLR
Entire population	77.2; CI 95% [65.5–88.9]	46.3; CI 95% [32.4–60.2]	0.2	0.001	88.4	27.8
Gender:
(i) Male	66.6%	46.6%	0.103	0.008	77.7%	1.2	0.74
(ii) Female	77%	66%	0.323	0.006	90.6%	2.26	0.34
BP ≥ 130/80 mmHg	81%	54.1%	0.236	0.005	90.7%	1.76	0.35
CHT/C-HDL ratio ≥ 3	83.3%	60.1%	0.363	0.011	89.4%	2.07	0.28
T2D duration > 5 years	91%	60.6%	0.378	0.001	95.2%	2.27	0.15

NPV: negative predictive value.
PLR: positive likelihood ratio.
NLR: negative likelihood ratio.