Detection of solid and subsolid pulmonary nodules with lung MRI: performance of UTE, T1 gradient-echo, and single-shot T2 fast spin echo

Table 5 Different detection proportions

	UTE	VIBE	HASTE	UTE vs VIBE (P value)	HASTE vs VIBE (P value)	UTE vs HASTE (P value)
All nodules	71.8% (107/149) 95% CI = 65-79%	61.7% (92/149) 95% CI = 54-70%	72.4% (89/123) 95% CI 64-80%	< 0.01*	0.03*	0.79
> 4 mm	90.2% (92/102) 95% CI = 84-96%	78.4% (80/102) 95% CI = 70-86%	89.4% (76/85) 95% CI = 83-96%	< 0.01*	< 0.01*	0.35
≤ 4 mm	31.9% (15/47) 95% CI 19-45%	25.5% (12/47) 95% CI 13-38%	34.2% (13/38) 95% CI = 19-49%	0.19	0.32	0.48
Solid Nodules	71% (71/100) 95% CI = 62-80%	65% (65/100) 95% CI = 56-74%	72.2% (57/79) 95% CI 62-82%	0.56	0.56	0.71
> 4 mm	93.4% (57/61) 95% CI 87-100%	88.5% (54/61) 95% CI 80-97%	93.8% (45/48) 95% CI 87-100%	0.50	0.32	0.32
≤ 4 mm	35.9% (14/39) 95% CI 21-51%	28.2% (11/39) 95% CI 14-42%	38.7% (12/31) 95% CI 22-56%	0.11	0.16	0.41
Subsolid Nodules	73.5% (36/49) 95% CI = 61-86%	55.1% (27/49) 95% CI = 41-69%	72.7% (32/44) 95% CI = 60-86%	< 0.01*	0.03*	0.48
> 4 mm	85.4% (35/41) 95% CI 75-96%	63.4% (26/41) 95% CI 49-78%	83.8% (31/37) 95% CI 72-96%	< 0.01*	< 0.01*	0.59
≤ 4 mm	12.5% (1/8) 95% CI 0-35%	12.5% (1/8) 95% CI 0-35%	14.2% (1/7) 95% CI 0-40%	0.32	0.32	1.0

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