A Nomogram to Predict Benign/Malignant Mediastinal Lymph Nodes Based on EBUS Sonographic Features

Table 1

Clinical characteristics.

Characteristics	Overall (n = 625)
Gender
Male	427 (68.3%)
Female	198 (31.7%)
Age (median (IQR))	59.00 [52.00, 66.00]
Smoking index (median (IQR))	20.00 [0.00, 600.00]
Family history of cancer
Absent	557 (89.1%)
Present	68 (10.9%)
Previous disease
Hypertension	120
Diabetes	36
Coronary heart disease	7
COPD	8