Accuracy of Clinical Diagnosis of Dengue Fever and Dengue Hemorrhagic Fever Compared with WHO Criteria in Rattanaburi Hospital

Abstract

Objectives: To study the accuracy of clinical diagnosis and the completion of physical and laboratory examination in patients with Dengue Fever and Dengue Hemorrhagic Fever in Rattanaburi hospital compared with WFIO criteria.
Study design: Retrospective descriptive study
Method: The patients’ medical record, which was diagnosed with Dengue Fever or Dengue Hemorrhagic Fever during 1 January and 31 December 2010 were reviewed. Physical and laboratory examination results were compared with WHO criteria. Statistical analysis was performed by descriptive analysis.
Results: Two-hundred and seventy two patients’ medical records were recruited in the study, including 125 males (46%) and 147 females (54%) mean age: 14.5 + 11.7 years. The most prevalence rate was found in agerange of 11-15 years old. Two-hundred and thirty five patients (86.4%) were diagnosed with Dengue Fever and 37 patients (13.6%) were diagnosed with Dengue Hemorrhagic Fever. The result of physical and laboratory examination in Dengue Fever were as follow : body temperature £ 38°c = 81 patients (34.5%), headache = 47 patients (20.0%), myalgia = 7 patients (3.0%), posive Tourniquet test = 175 patients (74.5%) white blood cells <5,000 cell/mm3 = 211 patients (89.8%) platelets <100,000 cell/mm3 = 168 patients (71.5%), rising hematocrit of 20% = 147 patients (62.5%). เท addition, the result of physical and laboratory examination in Dengue Hemorrhagic Fever were as follow : body temperature 2 38°c = 16 patients (43.2%), headache = 5 patients (13.5%), posive Tourniquet test = 36 patients (97.3%) white blood cells <5,000 cell/mm3 = 32 patients (86.5%) platelets <100,000 cell/mm3 = 34 patients (91.9%), rising hematocrit of 20% = 27 patients (73.0%). According to WHO criteria, 226 Dengue Fever patients (96.2%) and 37 Dengue Hemorrhagic Fever patients (100%) had complete of physical and laboratory examination. The accuracy of diagnosis in Dengue Fever and Dengue Hemorrhagic Fever were 32.3% and 43.2% respectively.
Conclusion: The completion of physical and laboratory examination in patients with Dengue Fever and Dengue Hemorrhagic Fever in Rattanaburi hospital were 96.2% and 100% reapectively. The accuracy of diagnosis in Dengue Fever and Dengue Hemorrhagic Fever were 32.3% and 43.2% respectively. Thus, the accuracy of Dengue infection diagnosis in Rattanaburi hospital should be improved.