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Table 1 Characteristics of the randomised controlled trials (RCTs) used to develop the Quanti-Qualitative Appointment Timing (Q-QAT) technique

From: A simple technique to identify key recruitment issues in randomised controlled trials: Q-QAT - quanti-qualitative appointment timing

  RCT1 RCT2
Context Elective procedure, not life-threatening Life-threatening cancer
Specialties Surgery Surgery and oncology
Treatment groups Standard surgery versus minimally invasive procedure Chemotherapy plus either surgery or radiotherapy
Centres for qualitative research 1 3
Clinicians who provided audio-recordings 3 surgeons; 1 research nurse Centre 1: 4 surgeons, 2 oncologists
Centre 2: 1 surgeon, 2 oncologists
Centre 3: none
Recruitment process Treatment options and recruitment discussion by surgeon, in the same appointment as history-taking, diagnosis and examination. Sometimes follow-up by nurse Dedicated appointments for treatment options and recruitment discussion. Separate appointments with surgeon and with oncologist
Number of consultation audio-recordings obtained 13 with surgeons Total: 26 pairs
8 with research nurse (Centre 1: 19 pairs, Centre 2: 7 pairs, Centre 3: none)
Q-QAT applied to 13 surgeon appointments Total: 11 pairs
(Centre 1: 7 pairs, Centre 2: 4 pairs)
Number of interviews 5 patient interviews 18 interviews with 16 patients
Unrecorded discussions with CI (Centre 1: 9, Centre 2: 3, Centre 3: 4)
20 staff interviews
(Centre 1: 10, Centre 2: 4, Centre 3: 6)
Unrecorded discussions with CI
  1. Abbreviation: CI Chief Investigator.