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Table 6 One-tailed p values for patients who returned

From: Antibiotic prophylaxis for oral lacerations: our emergency department’s experience

  Rate of infection (%)  
+Abx −Abx P value
Patients who returned 2/40 (0.05) 4/18 (0.22) 0.023
Patients who returned excluding immunocompromised 2/38 (0.53) 3/17 (0.18) 0.069
Simple lacerations (no IC patients) 0/21 (0) 1/10 (0.1) 0.071
Complex lacerations 2/19 (0.11) 3/8 (0.38) 0.049
Complex lacerations excluding immunocompromised 2/19 (0.11) 2/7 (0.29) 0.129