3.1
The key clinical outcomes presented in the decision problem were:
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change in sinusitis symptoms
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number of post‑procedure sinusitis episodes needing medication
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number of postoperative debridements
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change in ostial patency (assessed by endoscopy or CT scan)
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number and types of sinus treated
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length of hospital stay
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procedure time and theatre/outpatient treatment room time
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rate of revision surgery
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number of sinus‑related follow‑up appointments
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rate of readmission
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rate and severity of nasal bleeding
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device‑related adverse events.