Patient focus group suggested data-items
| Preoperative | Operative | Postoperative |
| Patient demographics | Name of hospital | Levels of hearing |
| Occupation | Grade of surgeon | QoL |
| Comorbidities | Date of surgery | Complications |
| Preoperative QoL | Indications for surgery | Implant problems |
| Levels of hearing | Name of implant | Dates of follow-up appointments |
| Duration of hearing loss | Implant serial number | Details on assistive listening devices |
| Type of hearing loss | Implant manufacturer | Measure of cognitive status (for elderly patients) |
| Current hearing devices being used | Duration of surgery | Outcome measure understandable by patients |
| Information on previous hearing treatments | Intraoperative complication(s) | |
| Measure of cognitive status (for elderly patients) |
QoL, quality of life.