C D 4 + classification

Ultrasound findings

Normal

Freq (%)

Abnormal

Freq (%)

Total

Freq (%)

Not significant (≥500)

103 (20.6)

133 (26.6)

236 (47.2)

Mild (350 - 499)

75 (15.0)

124 (24.8)

199 (39.8)

Advanced (200 - 349)

9 (1.8)

15 (3.0)

24 (4.8)

Severe (<200)

13 (2.6)

28 (5.6)

41 (8.2)

Total

200 (40.0)

300 (60.0)

500 (100.0)