Table 1.

Patient characteristics

Variable	Patient (N = 656), n (%)
Gender
Male	388 (59.1)
Female	268 (40.9)
Average age (range), years	60.6 (1–101)
Age categories, years
≤ 39	104 (15.9)
40-59	173 (26.4)
≥ 60	379 (57.8)
Timing of infection onset
Community-acquired	249 (38.0)
Hospital-acquired	381 (58.1)
Not applicable	26 (4.0)
Specimen source
BSI: Blood	122 (18.6)
IAI	210 (32.0)
Abscess	26 (4.0)
Appendix	100 (15.2)
Gall bladder	29 (4.4)
Liver	15 (2.3)
Pancreas	2 (0.3)
Peritoneal fluid	36 (5.5)
Stomach	1 (0.2)
Other	1 (0.2)
UTI	112 (17.1)
Ureter	3 (0.5)
Urine	109 (16.6)
RTI	208 (31.7)
Bronchoalveolar lavage	8 (1.2)
Endotracheal aspirate	2 (0.3)
Sputum	196 (29.9)
Thoracentesis	2 (0.3)
Unconfirmed infection	4 (0.6)

Abbreviations: BSI blood steam infection, IAI intra-abdominal infection, RTI respiratory tract infection, UTI urinary tract infection