项目

良性组(n = 12)

恶性组(n = 48)

统计值

P值

胰管扩张[例(%)]

2 (16.70)

27 (56.30)

X² = 4.543

P = 0.033

边界清晰[例(%)]

8 (66.70)

12 (25.00)

X² = 5.742

P = 0.017

低回声[例(%)]

6 (50.00)

44 (91.20)

X² = 9.188

P = 0.002

性质[例(%)]

X² = 4.688

P = 0.030

囊性/囊实性

5 (41.70)

5 (10.40)

实性

7 (58.30)

43 (89.60)