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01.06.2015 | Original Article | Ausgabe 6/2015

Supportive Care in Cancer 6/2015

A prospectively validated nomogram for predicting the risk of chemotherapy-induced febrile neutropenia: a multicenter study

Zeitschrift:
Supportive Care in Cancer > Ausgabe 6/2015
Autoren:
H. Bozcuk, M. Yıldız, M. Artaç, M. Kocer, Ç. Kaya, E. Ulukal, S. Ay, M. P. Kılıç, E. H. Şimşek, P. Kılıçkaya, S. Uçar, H. S. Coskun, B. Savas

Abstract

Purpose

There is clinical need to predict risk of febrile neutropenia before a specific cycle of chemotherapy in cancer patients.

Methods

Data on 3882 chemotherapy cycles in 1089 consecutive patients with lung, breast, and colon cancer from four teaching hospitals were used to construct a predictive model for febrile neutropenia. A final nomogram derived from the multivariate predictive model was prospectively confirmed in a second cohort of 960 consecutive cases and 1444 cycles.

Results

The following factors were used to construct the nomogram: previous history of febrile neutropenia, pre-cycle lymphocyte count, type of cancer, cycle of current chemotherapy, and patient age. The predictive model had a concordance index of 0.95 (95 % confidence interval (CI) = 0.91–0.99) in the derivation cohort and 0.85 (95 % CI = 0.80–0.91) in the external validation cohort. A threshold of 15 % for the risk of febrile neutropenia in the derivation cohort was associated with a sensitivity of 0.76 and specificity of 0.98. These figures were 1.00 and 0.49 in the validation cohort if a risk threshold of 50 % was chosen.

Conclusions

This nomogram is helpful in the prediction of febrile neutropenia after chemotherapy in patients with lung, breast, and colon cancer. Usage of this nomogram may help decrease the morbidity and mortality associated with febrile neutropenia and deserves further validation.

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