Bibliographic citations
Huaman, R., (2017). Bicarbonato sérico como factor predictivo de muerte en pacientes con enfermedad pulmonar obstructiva crónica [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/2638
Huaman, R., Bicarbonato sérico como factor predictivo de muerte en pacientes con enfermedad pulmonar obstructiva crónica [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2017. https://hdl.handle.net/20.500.12759/2638
@misc{renati/376479,
title = "Bicarbonato sérico como factor predictivo de muerte en pacientes con enfermedad pulmonar obstructiva crónica",
author = "Huaman Cortegana, Raquel de las Mercedes",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2017"
}
OBJECTIVE: Demonstrate if serum bicarbonate is a predictor of death in patients with obstructive lung disease. METHOD : A retrospective study - diagnostic tests, 134 patients with chronic obstructive pulmonary disease at Regional Hospital of Trujillo ( HRDT ) during the period 2009- 2014, in whom the utility of serum bicarbonate value was determined as predictor mortality, by calculating the ratio of sensitivity ( S ) , specificity (E ) Prevalence ( P ) , positive and negative predictive value ( PPV, NPV ) , positive likelihood ratio and negative ( RVP , RVN) . It consisted of a group of patients who had elevated serum bicarbonate and the other group for those with normal serum bicarbonate. RESULTS: Overall mortality was 53.7 % of patients, with 61.2 and 7.5 % in the high normal serum bicarbonate respectively. Sensitivity ( S ) was 60.5 , 4 % (CI : 51.3 - 69.71 . ) , Specificity (E ) of 33.33 % (CI : 6.14-60.52 ) , positive predictive value (PPV ) of 87.8 % ( CI 80.11-95.5 ) , negative predictive value ( NPV) of 9.62 % (CI : 0.64-18.59 ) , positive likelihood ratio ( RVP ) of 0.91 (CI: 0.62-1.34 ) Negative Likelihood Ratio (RVN ) 1.18 (CI: 0.56- 2.51 ) . Prevalence (P) found was 88.81 (CI 83.09-94.52). CONCLUSION: The elevated serum bicarbonate is not a good predictor of mortality in patients with chronic obstructive pulmonary disease.
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