Table 2.

Distribution of samples in light of antibiotic consumption in the 30 days prior to the collection of the rectal swab.

Antibiotic Consumption up to 30 Days Before Sample Collection
Patients With no Antibiotics Received	21
Patients that Received Antibiotics	69
Samples Collected with no Antibiotics Received	105
Samples Collected from Patients that Received Antibiotics	277
Number of Antibiotics Received (by Class)	Number of Rectal Swabs
1	72
2	40
3 or more	165
Antibiotics Received	Number of Rectal Swabs	Median Days Received
Non-Carbapenem β-Lactams	217	3 (range: 1 – 38)
Glycopeptides	160	5 (range: 1 – 29)
Carbapenems	124	6 (range: 1 – 29)
Aminoglycosides	104	2 (range: 1 – 27)
Trimethoprim/Sulfamethoxazole	83	3 (range: 1 – 25)
Others	390	3 (range: 1 – 30)

¹The other antibiotics received are macrolides, fluoroquinolones, linezolid, and the antifungals fluconazole, metronidazole, micafungin, and voriconazole.