| Category A |  | Category C |  |  | |
---|---|---|---|---|---|---|
PROM | Sufficient content validity (any level) | At least low quality evidence for sufficient internal consistency | Â | High quality evidence for an insufficient measurement property | Â | Recommendation |
SNOT-16 | Yes | No | Â | No | Â | B |
MARS | Yes | No | Â | No | Â | B |
RhinoQoL | Yes | No | Â | No | Â | B |
PRSS | Yes | No | Â | No | Â | B |
S5 | Yes | No | Â | No | Â | B |