Table 3.
Reporting of essential items describing intervention specific to procedure evaluated*. Values are numbers (percentages)
| Variables reported | All reports | Reports of non-randomised studies | Reports of randomised controlled trials |
|---|---|---|---|
| Items selected for minimally invasive procedures: | n=32 | n=21 | n=11 |
| Information provided to patients | 3 (9) | 1 (5) | 2 (18) |
| Preoperative care | 1 (3) | 0 | 1 (9) |
| Anaesthesia protocol | 11 (34) | 7 (64) | 4 (36) |
| Thromboprophylaxis protocol | 6 (19) | 5 (24) | 1 (9) |
| Length of incision | 26 (81) | 17 (81) | 9 (82) |
| Description of instrumentation† used in minimally invasive procedures | 22 (69) | 15(71) | 7 (64) |
| Postoperative pain management protocol | 8 (25) | 4 (19) | 4 (36) |
| Blood loss‡ | 22/24 (92) | 15/16 (94) | 7/8 (88) |
| Antibioprophylaxis protocol‡ | 3/24 (13) | 2/16 (13) | 1/8 (13) |
| Items selected for computer assisted navigation procedures: | n=42 | n=17 | n=25 |
| Description of navigation system | 41 (98) | 17 (100) | 24 (96) |
| Brand name of navigation system | 41 (98) | 17 (100) | 24 (96) |
| Type of navigation system (image based or imageless) | 35 (83) | 15 (88) | 20/26 (7) |
| Characteristics of navigation system (open or closed) | 2 (5) | 1 (6) | 1/26 (4) |
| Blood loss§ | 2/5 | 0/1 | 2/4 |
| Postoperative pain management protocol§ | 0/5 | 0/1 | 0/4 |
Reports of trials assessing minimally invasive navigated procedures were excluded: non-randomised studies (n=4) and randomised controlled trials for total hip arthroplasty (n=1) and total knee arthroplasty (n=1).
*More than 50% of respondents rated these items 7 or more on 0-9 scale in survey of sample of surgeons).
†Standard or specific.
‡Only for minimally invasive total hip arthroplasty (n=24).
§Only for computer assisted total hip arthroplasty (n=5).