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Table 4 Comparison of physician management and acute cystitis decision aid recommendations management: validation cohort of women with acute cystitis, 2009–11

From: External validation study of a clinical decision aid to reduce unnecessary antibiotic prescriptions in women with acute cystitis

Outcome

Family Physicians

Cystitis Decision Aid

Absolute Difference (MD - Aid)

p-value*

1. Diagnosis

 Sensitivity

239/245 (97.6%)

202/245 (82.5%)

+ 15.1%

<0.0001

 Specificity

10/152 (6.6%)

54/152 (35.5%)

- 28.9%

<0.0001

2. Management

 Urine Culture

351/397 (88.4%)

97/397 (24.4%)

+ 64.0%

<0.0001

 Antibiotics

381/397 (96.0%)

300/397 (75.6%)

+ 20.4%

<0.0001

 Unnecessary Antibiotics**

142/397 (35.8%)

98/397 (24.7%)

+ 11.1%

0.001

  1. *McNemar’s test
  2. **antibiotic prescription issued and subsequent urine culture was negative for bacteria