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["Tab.3 Preoperative and postoperative KPS score. Number of patients indicated in parenthesis. "]
["KPS","Pre op.","Post op."]
[70,"3.70% (3)","2.47% (2)"]
[80,"7.41% (6)","6.17% (5)"]
[90,"53.09% (43)","40.74% (33)"]
[100,"35.80% (29)","50.62% (41)"]