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. 2021 Dec 15;6(6):e486. doi: 10.1097/pq9.0000000000000486

Fig. 5.

Fig. 5.

Percent of LEP ED and EP ED patients who returned to the ED within 48 hour of initial visit. A, B, Percent of LEP ED and EP ED patients who returned to the ED within 48 hours of initial visit. The red squares at Aug-18 and Aug-20 indicate special cause points outside control limits. Outcome measure tests are performed with unequal sample sizes.