Research

Does a higher CQC rating correlate with shorter NHS waits?

Reviewed by PlainNHS · · Source: CQC + NHS England

Does a higher CQC rating correlate with shorter NHS waits?

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 10 CQC-rated Trusts (2 Scotland-region Trusts excluded, as the CQC's jurisdiction does not extend to Scotland).

Why this analysis is not a finding yet

The waiting-time side of this comparison is sourced: it comes from NHS England's monthly referral-to-treatment provider return. The inspection-rating side is not. PlainNHS does not yet hold a verified feed of CQC ratings, so the ratings below cannot be attributed to a dated CQC publication and the comparison must not be read as evidence either way. The page is kept, and kept out of search results, because the analysis becomes publishable as soon as verified ratings are in the database.

Results — operational performance by CQC rating band

CQC bandTrustsMean RTT 18wk
Requires improvement 6 67.3%
Good 4 66.9%

Mean RTT 18-week performance by CQC rating band

NHS England RTT waiting-time statistics, averaged across Trusts in each CQC rating band

Requires improvement: 67.3%Requires improvement67.3%Good: 66.9%Good66.9%

Share of patients waiting over 52 weeks, by CQC rating band

NHS England referral-to-treatment return; the CQC band is an unverified label, see the note above

Requires improvement: 1.24%Requires improvement1.24%Good: 1.05%Good1.05%

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