Table 2.

Evaluation of lymph node size for metastasis

Size	Sensitivity (%)	Specificity (%)	Accuracy (%)	LR+	LR−
>= 0.1	100.00	0.00	41.38	1
>= 0.65	100.00	0.84	41.87	1.0085	0
>= 0.67	98.81	0.84	41.38	0.9965	1.4167
>= 0.7	98.81	1.68	41.87	1.005	0.7083
>= 0.71	96.43	12.61	47.29	1.1034	0.2833
>= 0.73	95.24	12.61	46.80	1.0897	0.3778
>= 0.75	94.05	13.45	46.80	1.0866	0.4427
>= 0.85	82.14	47.06	61.58	1.5516	0.3795
>= 0.88	82.14	50.42	63.55	1.6568	0.3542
>= 0.9	82.14	51.26	64.04	1.6853	0.3484
>= 0.93	80.95	59.66	68.47	2.0069	0.3192
>= 0.96	80.95	60.50	68.97	2.0496	0.3148
>= 1	80.95	63.03	70.44	2.1894	0.3022
>= 1.1	72.62	73.11	72.91	2.7005	0.3745
>= 1.2	63.10	80.67	73.40	3.2645	0.4575
>= 1.4	21.43	94.96	64.53	4.25	0.8274
>= 1.5	4.76	98.32	59.61	2.8333	0.9687
>= 1.7	1.19	100.00	59.11		0.9881
> 1.7	0.00	100.00	58.62		1
Area under curve	0.7519; 95% CI (0.68–0.82)

CI = confidence interval, LR = likelihood ratio