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Relationship between 13C-UBT positivity and liver pathology (Child-Pugh classification) in patients with HBV-related cirrhosis (n = 179)
| Group | Number | Grade A, n (%) | Grade B, n (%) | Grade C, n (%) |
|---|---|---|---|---|
| 13C-UBT positive | 142 | 43 (30.3) | 57 (40.1) | 42 (29.6) |
| 13C-UBT negative | 37 | 22 (59.5) | 12 (32.4) | 3 (8.1) |
χ2 = 12.716; P<0.01. HBV: Hepatitis B virus; 13C-UBT: 13C-urea breath test.
