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Table 6 Estimated risk rates of stratified category according to risk points for severe PHLF

From: Impact of aspartate aminotransferase–to–platelet ratio index based score to assess posthepatectomy liver failure in patients with hepatocellular carcninoma

Severe PHLF risk category No. of risk points for severe PHLF Estimated risk of severe PHLF, % (95% CI) No. with severe PHLF/total no. of patients (%)
Low risk 0 0.08 (0.02–0.31) 2/220 (0.9)
Medium risk 1 0.25 (0.08–0.81) 3/139 (2.2)
2 4.03 (2.05–7.92) 13/72 (18.1)
High risk 3 12.0 (6.63–21.8) 10/18 (55.6)
4 16.0 (11.2–23.0) 2/2 (100)
  1. CI confidence interval, PHLF posthepatectomy liver failure