Intracystic magnetic resonance imaging in patients with autosomal dominant polycystic kidney disease: features of severe cyst infection in a case–control study

Suwabe, Tatsuya; Ubara, Yoshifumi; Ueno, Toshiharu; Hayami, Noriko; Hoshino, Junichi; Imafuku, Aya; Kawada, Masahiro; Hiramatsu, Rikako; Hasegawa, Eiko; Sawa, Naoki; Saitoh, Satoshi; Okuda, Itsuko; Takaichi, Kenmei

doi:10.1186/s12882-016-0381-9

Table 5 Results of receiver operating characteristic analysis for each diagnostic feature

From: Intracystic magnetic resonance imaging in patients with autosomal dominant polycystic kidney disease: features of severe cyst infection in a case–control study

		AUC			Bootstrap replicates
		Value	95 % CI	p-value	95 % CI of AUC
All episodes	DWI	0.601	0.532 to 0.670	0.006	0.551 to 0.648
	Fluid-fluid level	0.667	0.598 to 0.736	<0.001	0.613 to 0.718
	Wall thickening	0.672	0.604 to 0.741	<0.001	0.621 to 0.724
	Fluid-fluid level or wall thickening	0.805	0.749 to 0.862	<0.001	0.750 to 0.849
	Fluid-fluid level or wall thickening with diameter > 5cm	0.796	0.737 to 0.856	<0.001	0741 to 0.842
Patients with TKLV < 3000 cm3	DWI	0.783	0.655 to 0.912	0.001	0.672 to 0.882
	Fluid-fluid level	0.676	0.506 to 0.847	0.038	0.588 to 0.794
	Wall thickening	0.676	0.538 to 0.873	0.015	0.588 to 0.824
	Fluid-fluid level or wall thickening	0.853	0.718 to 0.988	<0.001	0.735 to 0.941
	Fluid-fluid level or wall thickening with diameter > 5cm	0.706	0.538 to 0.873	0.015	0.588 to 0.824
Controls with TKLV 3000 to < 5500 cm3	DWI	0.610	0.483 to 0.736	0.092	0.513 to 0.703
	Fluid-fluid level	0.653	0.534 to 0.773	0.019	0.556 to 0.744
	Wall thickening	0.711	0.599 to 0.823	0.001	0.624 to 0.794
	Fluid-fluid level or wall thickening	0.827	0.731 to 0.924	<0.001	0.741 to 0.903
	Fluid-fluid level or wall thickening with diameter > 5cm	0.841	0.751 to 0.931	<0.001	0.762 to 0.913
Controls with TKLV 5500 to <8500 cm3	DWI	0.511	0.362 to 0.660	0.881	0.881 0.426 to 0.594
	Fluid-fluid level	0.674	0.531 to 0.817	0.022	0.563 to 0.794
	Wall thickening	0.614	0.466 to 0.762	0.134	0.506 to 0.729
	Fluid-fluid level or wall thickening	0.737	0.606 to 0.868	0.002	0.626 to 0.846
	Fluid-fluid level or wall thickening with diameter > 5cm	0.811	0.690 to 0.933	<0.001	0.706 to 0.906
Controls with TKLV >=8500 cm3	DWI	0.507	0.355 to 0.660	0.927	0.435 to 0.584
	-fluid level	0.635	0.484 to 0.786	0.083	0.512 to 0.743
	Wall thickening	0.645	0.495 to 0.794	0.063	0.518 to 0.772
	Fluid-fluid level or wall thickening	0.783	0.665 to 0.902	<0.001	0.663 to 0.873
	Fluid-fluid level or wall thickening with diameter > 5cm	0.768	0.639 to 0.897	0.001	0.637 to 0.856

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ISSN: 1471-2369

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