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Table 1 Data collection and time points

From: The NAtional randomised controlled Trial of Tonsillectomy IN Adults (NATTINA): a clinical and cost-effectiveness study: study protocol for a randomised control trial

Measure

Baseline

Weekly (baseline to 24-month FU)

Sore throat episode

Surgery

6-month FU

12- month FU

18- month FU

24- month FU

'About You' Questionnaire

X

       

'Value of Avoiding a Sore Throat Day' Questionnaire

X

       

TOI 14

X

   

X

X

X

X

SF-12

X

 

X

 

X

X

X

X

Health Service Utilisation Questionnaire

X

   

X

X

X

X

Participant Time and Travel Questionnaire

      

X

 

Comparison data (declining patients)

X

       

Weekly alert

 

X

      

Sore Throat Alert Returns (STAR)

  

X

     

CRF

X

  

X

X

X

X

X

GP Linkage Data

       

X

  1. CRF Case Report Form, FU follow-up, SF-12 Short Form 12 Health Survey, TOI 14 Tonsillectomy Outcome Inventory 14