Table 2.

Antibiotic Indication, Timing, and Appropriateness of the Prescription

Indication, Timing, and Appropriateness	Frequency (%) (n = 183)
Indicated to receive antibiotics (procedure/cardiac)a	166 (90.7)
Received pre- and/or postprocedure antibiotics (denominator = 166)	145 (87.3)
Not indicated to receive antibiotics	17 (9.3)
Did not receive antibiotic prophylaxis (denominator = 17)	11 (64.7)
Antibiotic prescribing consistent with study definitions	15 (8.2)
No antibiotics prescribed; no antibiotics were indicated	11 (6.0)
Preprocedure antibiotics were prescribed; preprocedure antibiotics were indicated	4 (2.2)
Antibiotic prescribing inconsistent with study definitions	168 (91.8)
No antibiotics prescribed; preprocedure antibiotics were indicated	21 (11.5)
Postprocedure antibiotics were prescribed; no antibiotics were indicated	6 (3.3)
Postprocedure antibiotics were prescribed; preprocedure antibiotics were indicated	141 (77.0)b
Preprocedure and postprocedure antibiotics were prescribed; preprocedure antibiotics were indicated (denominator = 141)	8 (5.7)

^aUnless otherwise indicated, the denominator for percentages equals 183.

^bOf those patients who had an indication to receive antibiotics (n = 166), 84.9% (141/166) received postprocedure antibiotics when only preprocedure administration was indicated.