TABLE 3.

Summary of established and proposed diagnostic tools for high‐dimensional propensity score models

Diagnostic description	Section discussed	Conventional propensity score	High‐dimensional propensity score
Propensity score distribution by treatment group	5.2	✓	✓
Prevalence of selected covariates by treatment group	5.3	–	✓
Absolute standardised differences	5.3	✓	✓
Bross‐derived prioritisation distribution	5.4	–	✓
Relationship between confounder‐exposure and confounder‐outcome associations	5.4	–	✓