Table 2.

Sensitivity, Specificity, and Likelihood

Variable	Cutoff Value	Sensitivity	Specificity	Positive Likelihood Ratio	Negative Likelihood Ratio	Area	P Value
Center-of-pressure area, cm2
Eyes open	5.55	0.63	0.50	1.26	0.74	0.52	0.76
Eyes closed	31.01	0.37	0.88	2.97	0.72	0.59	0.16
Center-of-pressure mean velocity, m/s
Mediolateral, eyes open	0.97	0.54	0.57	1.24	0.81	0.52	0.68
Anteroposterior, eyes open	0.78	0.64	0.52	1.33	0.70	0.55	0.34
Mediolateral, eyes closed	2.23	0.46	0.78	2.12	0.69	0.60	0.09
Anteroposterior, eyes closed	2.00	0.56	0.63	1.50	0.70	0.57	0.23
SD of center of pressure, cm2
Mediolateral, eyes open	0.18	0.78	0.41	1.33	0.54	0.56	0.26
Anteroposterior, eyes open	0.23	0.78	0.37	1.23	0.60	0.57	0.23
Mediolateral, eyes closeda	0.47	0.41	0.83	2.37	0.71	0.61	0.04
Anteroposterior, eyes closed	0.56	0.43	0.83	2.47	0.69	0.60	0.07
Center-of-pressure range, cm
Mediolateral, eyes open	0.86	0.67	0.48	1.28	0.70	0.56	0.31
Anteroposterior, eyes open	1.39	0.40	0.80	2.03	0.75	0.56	0.31
Mediolateral, eyes closed	1.91	0.24	0.96	5.53	0.80	0.58	0.18
Anteroposterior, eyes closed	2.75	0.40	0.83	2.28	0.73	0.59	0.11
Range of center of pressure used, %
Mediolateral, eyes open	9.09	0.71	0.48	1.37	0.60	0.58	0.15
Anteroposterior, eyes open	5.72	0.35	0.83	2.01	0.79	0.55	0.38
Mediolateral, eyes closeda	18.80	0.48	0.78	2.19	0.67	0.65	0.01
Anteroposterior, eyes closed	10.69	0.48	0.74	1.82	0.71	0.60	0.09
Time-to-boundary absolute minimum, s
Mediolateral, eyes open	0.91	0.32	0.80	1.62	0.85	0.50	0.95
Anteroposterior, eyes open	3.50	0.57	0.57	1.31	0.76	0.54	0.47
Mediolateral, eyes closeda	0.46	0.52	0.80	2.67	0.59	0.63	0.03
Anteroposterior, eyes closed	1.71	0.75	0.41	1.27	0.62	0.57	0.19
Time-to-boundary mean minimum, s
Mediolateral, eyes open	4.12	0.62	0.43	1.09	0.88	0.48	0.77
Anteroposterior, eyes open	12.13	0.62	0.48	1.18	0.80	0.49	0.85
Mediolateral, eyes closed	1.49	0.32	0.87	2.38	0.79	0.56	0.31
Anteroposterior, eyes closed	5.45	0.67	0.51	1.36	0.65	0.57	0.20
SD of time-to-boundary minimum, s
Mediolateral, eyes open	1.74	0.14	0.93	2.10	0.92	0.49	0.83
Anteroposterior, eyes open	8.29	0.68	0.46	1.25	0.70	0.47	0.61
Mediolateral, eyes closed	1.61	0.59	0.60	1.47	0.69	0.54	0.47
Anteroposterior, eyes closed	3.60	0.71	0.41	1.22	0.69	0.55	0.38

^aBold font indicates significance at the .05 level.