Table VI.

Clinical manifestation of nine single factors.

Indexes	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Accuracy (%)
Long diameter >7.5 mm	70.30	47.00	39.40	50.47
Short diameter >5.5 mm	64.90	58.90	43.60	60.90
Short/length diameter ratio >0.55	52.70	49.00	33.60	50.20
Round	83.80	58.30	49.60	66.70
Low echo	93.20	29.10	39.20	50.20
Smooth edge or not	36.50	78.10	45.00	64.40
Lymph nodes near lesion or not	54.10	60.30	40.00	58.20
Lymph nodes number with EUS >2	75.70	42.10	37.10	55.60
T3/4 staging with EUS	95.90	12.60	35.00	40.00

EUS, endoscopic ultrasonography.