TABLE 3Relationship between presence of symptoms and change of management in ASA grade 1–3 patients undergoing cataract surgery and referred for specialist pre-operative assessment (data from Tallo et al.12)

Patients referred for specialist assessmentClinical intervention consequent on specialist pre-operative assessment
NoYes
Asymptomatic83/104 (79.8%, 95% CI 72.1% to 87.5%)21/104 (20.2%, 95% CI 12.5% to 27.9%)
Symptomatic11/77 (14.3%, 95% CI 6.5% to 22.1%)66/77 (85.7%, 95% CI 77.9% to 93.5%)

Data in Roman font were taken directly from the text; data in italics were calculated by the reviewer.

From: 2, Clinical effectiveness

Cover of What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature
What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature.
Health Technology Assessment, No. 16.50.
Czoski-Murray C, Jones ML, McCabe C, et al.
© 2012, Crown Copyright.

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