Does a higher CQC rating correlate with shorter NHS waits?
Reviewed by PlainNHS · · Source: CQC + NHS England
Research question
Are NHS Trusts rated more highly by the Care Quality Commission also operationally faster (better RTT 18-week, A&E 4-hour, and cancer 62-day performance)? Conventional wisdom suggests yes — well-led, safe organisations should also be efficient. The two signals measure different things, though, so the relationship is worth checking empirically.
Method
For each NHS Trust profiled by PlainNHS, we grouped Trusts by their current CQC overall rating and computed the mean RTT 18-week, mean A&E 4-hour, and mean cancer 62-day performance for each group. The dataset has 12 CQC-rated Trusts.
Results — operational performance by CQC rating band
| CQC band | Trusts | Mean RTT 18wk | Mean A&E 4hr | Mean cancer 62-day |
|---|---|---|---|---|
| Outstanding | 4 | 80.4% | 85.4% | 87.6% |
| Good | 7 | 73.5% | 78.5% | 82.3% |
| Requires Improvement | 1 | 67.5% | 72.4% | 77.8% |
Mean RTT 18-week performance by CQC rating band
NHS England RTT waiting-time statistics, averaged across Trusts in each CQC rating band
Mean A&E 4-hour performance by CQC rating band
NHS England A&E waiting-time statistics, averaged across Trusts in each CQC rating band
Discussion
The data shows a directional relationship: Trusts rated “Outstanding” by the CQC also tend to report stronger operational performance than Trusts rated “Requires Improvement”, though the relationship is not monotonic in every metric and the sample size at the rating-band extremes is small.
For patients exercising the NHS Choose & Book entitlement, the practical implication is that both signals matter and should be weighed together. A CQC “Outstanding” Trust with long elective waits is not necessarily a better choice for an 18-week elective pathway than a “Good”-rated Trust with shorter procedure-specific median waits. Use the comparison tool to see both signals side by side for the procedure you actually need.
Limitations
This is descriptive group-mean analysis, not regression. We have not controlled for Trust size, case-mix, or specialist activity. CQC ratings reflect an inspection at one point in time and operational performance changes month-to-month. A more rigorous correlation analysis would need to align the inspection date with the contemporary operational figures.
Source attribution
- CQC ratings explained.
- NHS England Statistics (RTT, A&E, cancer waiting times).
- PlainNHS, PlainNHS methodology.