Comparing shoulder maneuvers to magnetic resonance imaging and arthroscopic findings in patients with supraspinatus tears

Table 4 Diagnostic values for full-thickness tears

Test	Se	95%CI	Sp	95%CI	Ac	PPV	NPV	LR +	LR -	DOR
Painful arc	0.91	0.84-0.95	0.75	0.61-0.85	0.86	0.91	0.75	3.64	0.12	30.00
Empty can
P	0.86	0.73-0.94	0.82	0.69-0.90	0.84	0.81	0.87	4.70	0.17	28.15
P and W	0.84	0.65-0.94	0.93	0.81-0.98	0.90	0.87	0.91	12.04	0.17	70
Full can
P	0.85	0.72-0.92	0.81	0.68-0.90	0.83	0.82	0.85	4.54	0.18	24.76
P and W	0.72	0.52-0.86	0.91	0.78-0.96	0.84	0.82	0.85	7.74	0.31	25.07
Resisted external rotation
P	0.56	0.41-0.70	0.84	0.71-0.92	0.71	0.74	0.70	3.51	0.52	6.71
P and W	0.58	0.43-0.72	0.95	0.85-0.99	0.77	0.92	0.70	12.79	0.44	29.17
Drop arm	0.25	0.18-0.35	0.98	0.89-1.00	0.49	0.96	0.39	12.12	0.76	15.88
Neer’s sign	0.83	0.74-0.89	0.83	0.70-0.91	0.83	0.91	0.70	4.97	0.21	24.12
Hawkins’	0.85	0.76-0.91	0.67	0.52-0.78	0.79	0.84	0.68	2.54	0.23	11.20
MRI	0.99	0.95-1.00	0.98	0.89-1.00	0.98	0.99	0.98	46.35	0.01	3266

Se: Sensitivity; Sp: Specificity; Ac: Accuracy; PPV: Positive predictive value; NPV: Negative predictive value; LR +: Positive likelihood ratio; LR -: Negative likelihood ratio; DOR: Diagnostic odds ratio; CI: Confidence interval; P: Positive for pain; W: Positive for weakness; MRI: Magnetic resonance imaging.