Figure 2:

Risk of an emergency department visit during pregnancy or up to 42 days postpartum associated with maternal age, parity, income quintile, residence, immigrant status, care provider and total number of Johns Hopkins Aggregated Diagnosis Groups (ADGs). Relative risks are unadjusted (green dots) and adjusted for the number of ADGs (red dots). Error bars represent 95% confidence intervals (CIs). *Includes long-term residents. †Includes nurse practitioners. ‡Unadjusted and adjusted relative risks were 1.68 (95% CI 1.55–1.81) and 1.66 (95% CI 1.54–1.80), respectively. Note: ref = referent.