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Prediction of 30-Day Mortality Using the Quick Pitt Bacteremia Score in Hospitalized Patients with Klebsiella pneumoniae Infection [Response to Letter]
Ching Su,1 I-Ting Tsai,1,2 Chung-Hsu Lai,2,3 Kuo-Hsuan Lin,1 Chia‐Chi Chen,2,4 Yin-Chou Hsu1,2,5–7
1Department of Emergency Medicine, E-Da Hospital, I-Shou University, Kaohsiung City, 82445, Taiwan; 2School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan; 3Division of Infectious Diseases, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung City, 82445, Taiwan; 4Department of Pathology, E-Da Hospital, I-Shou University, Kaohsiung City, 82445, Taiwan; 5School of Chinese Medicine for Post Baccalaureate, I-Shou University, Kaohsiung, Taiwan; 6School of Medicine for International Student, I-Shou University, Kaohsiung, Taiwan; 7Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
Correspondence: Yin-Chou Hsu, Department of Emergency Medicine, E-Da Hospital, No. 1, Yida Road, Jiao-Su Village, Yan-Chao District, Kaohsiung City, 82445, Taiwan, Tel +886-7-615-0011, Fax +886-7-615-5352, Email [email protected]
View the original paper by Dr Su and colleagues
This is in response to the Letter to the Editor
Dear editor
We thank Dr. Yang et al for their comments regarding our works.1 The aim of our study was to investigate the prognostic role of qPitt in patients with Klebsiella pneumoniae infection. The 30-day mortality discriminative ability of qPitt was excellent by using receiver operating characteristic curve method. By using the Youden index, the optimal cutoff value of qPitt in our study was 2, with sensitivity 0.83, specificity 0.79, respectively. Our finding regarding qPitt cutoff value for best prognosis discrimination ability was consistent with previous studies.2,3 Although not the aim of this study, we also provided the cutoff value of PBS for the reference: the PBS 4 had the best 30-day mortality prediction ability, with sensitivity 0.80, specificity 0.84, respectively. As Yang said, the cutoff value of PBS in our study was also in line with previous results.1,4 Again we express our great appreciation for their comments and the opportunity to give our response.
Disclosure
The authors report no conflicts of interest in this communication.
References
1. Su C, Tsai IT, Lai CH, Lin KH, Chen CC, Hsu YC. Prediction of 30-day mortality using the quick Pitt bacteremia score in hospitalized patients with Klebsiella pneumoniae infection [letter]. Infect Drug Resist. 2023;16:4807–4815. doi:10.2147/IDR.S420569
2. Battle SE, Shuping M, Withers S, Justo JA, Bookstaver PB, Al-Hasan MN. Prediction of mortality in Staphylococcus aureus bloodstream infection using quick Pitt bacteremia score. J Infect. 2022;84(2):131–135. doi:10.1016/j.jinf.2021.12.002
3. Battle SE, Augustine MR, Watson CM, et al. Derivation of a quick Pitt bacteremia score to predict mortality in patients with gram-negative bloodstream infection. Infection. 2019;47(4):571–578. doi:10.1007/s15010-019-01277-7
4. Al-Hasan MN, Baddour LM. Resilience of the Pitt bacteremia score: 3 decades and counting. Clin Infect Dis. 2020;70(9):1834–1836. doi:10.1093/cid/ciz535
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