Table 1 Source and timing of measures
Outcome measures | Source | Timing | ||
|---|---|---|---|---|
Peri- operative | Days one to seven diary | Six weeks | ||
BMI, ASA grade | Case Report Form (CRF) | ▲ | ||
Duration of operation, intra-operative complication rates, conversion rates, surgeon’s perception of single port approach | CRF | ▲ | ||
Intervention received | CRF | ▲ | ||
Body Image Questionnaire (BIQ) [20] | Participant Questionnaire (PQ) | ▲ | ||
Hospital Experience Questionnaire (HEQ) [20] | PQ | ▲ | ||
Pain Numerical Rating Scale (NRS) | PQ | ▲ | ▲ | |
Use of analgesics | CRF and PQ | ▲ | ▲ | ▲ |
Time to return to usual activities | PQ | ▲ | ||
Hospital re-admissions | CRF and PQ | ▲ | ||
Complications (for example, infection, port-site hernia) | CRF and PQ | ▲ | ▲ | |