Table 5. NRI analysis for HE4.

NRI analysis for HE4
Model without HE4	Model with HE4				Reclassified
	<50%	50-80%	>80%	Total	Increased risk	Decreased risk	Net correctly reclassified
Patients with renal fibrosis
<50%	0 (0.00)	1 (100.00)	0 (0.00)	1	20	5	15
50-80%	3 (13.04)	1 (4.35)	19 (82.61)	23
>80%	2 (0.93)	0 (0.00)	213 (99.07)	215
Total	5	2	232	239
Patients without renal fibrosis
<50%	1 (100.00)	0 (0.00)	0 (0.00)	1	0	17	−17
50-80%	9 (81.81)	2 (18.18)	0 (0.00)	11
>80%	5 (62.5)	3 (37.5)	0 (0.00)	8
Total	15	5	0	20
*Data are frequency (row percentage). NRI=0.91 (P<0.01)