Medical care research and review : MCRR
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Hospitalization for Ambulatory Care Sensitive Conditions (ACSH) is an accepted indicator of access to health care and avoidable morbidity. Accessible care of reasonable quality should reduce ACSH. Little research has examined the indicator's external validity. ⋯ When rural residence was considered, the covariate measuring access was not significant. However, rural residence also may contribute importantly to access. Results suggest both the complexity of the meaning of access and the desirability of further research to validate the ACSH indicator.