The accuracy of the Alvarado score in predicting acute appendicitis in the black South African population needs to be validated.
2014
Results: We studied 1000 patients (54% male, median age 21 yr). Forty percent had inflamed, nonperforated appendices and 60% had perforated appendices. Alvarado scores were 1–4 in 20.9%, 5–6 in 35.7% and 7–10 in 43.4%, indicating low, intermediate and high clincial probability, respectively. In our subgroup analysis of 510 patients without generalized peritonitis, Alvarado scores were 1–4 in 5.5%, 5–6 in 18.1% and 7–10 in 76.4%, indicating low, intermediate and high clinical probability, respectively. Conclusion: The widespread use of the Alvarado score has its merits, but its applicability in the black South African population is unclear, with a significant proportion of patients with the disease being potentially missed. Further prospective validation of the Alvarado score and possible modification is needed to increase its relevance in our setting.
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