Table 1.

Demographic and clinical characteristics of the patients receiving piperacillin/tazobactam

Demographic	n=121
Age in years*	62.8 ± 18.9 (21, 96)
18-50	40 (33.0)
51-64	21 (17.4)
65-74	20 (16.5)
75-84	20 (16.5)
≥85	20 (16.5)
Sex (n, %)
Male	77 (64.0)
Female	44 (36.0)
Ethnicity (n, %)
Not Hispanic	116 (96.0)
Hispanic	4 (3.0)
Unknown	1 (<1.0)
Race (n, %)
White	107 (88.0)
Black or African American	12 (10.0)
Multiracial	1 (<1.0)
Weight (kg)*	92.2 ± 29.0
Height (cm)*	171.3 ± 10.7
CrCl by age
18-50	131.4 (79.0)
51-64	88.4 (45.0)
65-74	68.4 (42.0)
75-84	60.86 (26.0)
85+	45.5 (23.0)
Weight by age
18-50	104.5 (37.0)
51-64	89.6 (27.0)
65-74	95.2 (20.0)
75-84	84.8 (21.0)
85+	75.9 (16.0)

BMI, body mass index; CrCl, creatinine clearance; SD, standard deviation

^*Data are mean ± SD.