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Table 4 Fitted model binary classification table (observed and predicted morbidity)

From: The Marsden Morbidity Index: the derivation and validation of a simple risk index scoring system using cardiopulmonary exercise testing variables to predict morbidity in high-risk patients having major cancer surgery

Probabilities

Morbidity n (%)

No morbidity n (%)

Total

≥ 0.5 (morbidity)

462 (86)

60 (7)

522

< 0.5 (no morbidity)

78 (14)

798 (93)

876

Total

540

858

1,398

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Perioperative Medicine

ISSN: 2047-0525