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Table 6 Temporal dataset 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)

192 (84)

43 (22)

235

< 0.5 (no morbidity)

36 (16)

153 (78)

189

Total

228

196

424

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Perioperative Medicine

ISSN: 2047-0525