From: Is theatre utilization a valid performance indicator for NHS operating theatres?
Operating list factors | Day Surgery (DS) | Main Theatres (MT) |
---|---|---|
Operating list volume | Â | Â |
   Mean list-score in units per hour (SD) | 70.3(26.0) | 86.86 (38.29) |
Session factors | Â | Â |
   Session type |  |  |
Percentage of operations performed on Morning lists (n) | 38.2%(3226) | 15.9%(1156) |
Percentage of operations performed on Afternoon lists (n) | 61.1%(5083) | 17.4%(1265) |
Percentage of operations performed on 'All-day' lists (n) | - | 66.8%(4862) |
   No. of theatre suites | 5 | 10 |
Personnel factors | Â | Â |
   Surgeons |  |  |
Total number of surgeons coded on database | 133 | 125 |
No. of surgeons with >100 operative procedures | 16 | 16 |
Percentage of total cases performed by surgeons with>100 cases (n) | 79.3% (6594) | 78.7% (5732) |
   Anaesthetists |  |  |
Total no. of Anaesthetists' coded on database | 246 | 238 |
No. of anaesthetists with >100 operative procedures | 10 | 14 |
Percentage of total cases performed by anaesthetists with>100 cases (n) | 23. 9% (1983) | 65. 6%(5290) |
List factors | Â | Â |
   Overruns |  |  |
Overrunning operating lists (%) | 627/2092 (30.0%) | 1079/3234 (33.3%) |
Median list overrun (Q1-Q3,n) in minutes | 50 (24 – 84, n = 627) | - |
Median list overrun (Q1-Q3,n) as a percentage of session duration (%) | - | 13.1(5.5–26.2, n = 1079) |
Number.(%) of MT lists where no overrun occurred | - | 2262 (69.9%) |
Number(%) of MT lists where overrun : session length = 0–0.1 | - | 403 (12.5%) |
Number(%) of MT lists where overrun : session length = 0.11–0.2 | - | 215 (6.6%) |
Number(%) of MT lists where overrun : session length = 0.21–0.3 | - | 150 (4.6%) |
Number(%) of MT lists where overrun : session length >0.31 | - | 204 (6.3%) |
   Late-starts |  |  |
Median (Q1-Q3, n) late-start in minutes | 32 (17–48, 2087) | 65 (41–90, 3229) |
%(n). DSC operations on lists where Late start <30 minutes | 996 (47.61%) | - |
%(n). DSC operations on lists where Late start is 30–60 minutes | 870 (41.59%) | - |
%(n). DSC operations on lists where Late start is > 60 minutes | 221 (10.56%) | - |
Number (%) of MT lists where no Late-start occurred | - | 103 (3.18%) |
Number(%) of MT lists where Late-start: session length = 0–0.1 | - | 730 (22.57%) |
Number(%) of MT lists where Late-start : session length = 0.11–0.2 | - | 1564 (48.36%) |
Number(%) of MT lists where Late-start : session length = 0.21–0.3 | - | 522 (16.14%) |
Number(%) of MT lists where Late-start : session length > 0.31 | - | 315 (9.74%) |