Wang et al reported a score for predicting the risk of postoperative complications for a patient undergoing partial hepatectomy for hepatic alveolar echinococcosis. The authors are from multiple institutions in China.
Patient selection: preoperative patient > 18 years of age with hepatic alveolar echinococcosis
Parameters:
(1) serum GGT in U/L
(2) surface area of hepatectomy
(3) sarcopenia type, based on sarcopenia score defined in paper
Parameter
Finding
Points
serum GGT
< 63.5 U/L
0
>= 63.5 U/L
47.4
surface area of hepatectomy
minor
0
major
80.3
sarcopenia type
Type A
100
Type B
0
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 227.7
value of X =
= (0.02312 * (score)) - 4.419
probability of postoperative complications =
= 1 / (1+EXP((-1) * X))
Performance:
• The area under the ROC curve is 0.84.
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