Table 2 Proportion of patients receiving each of the 17 most common first antibiotic regimens

Piperacillin-tazobactam

16.4

(22.8)

20.1

(23.9)

14.7

(24.2)

14.9

(14.2)

8.7

(11.5)

Piperacillin-tazobactam, Vancomycin

15.7

(36.1)

16.1

(33.9)

18.1

(58.3)

15.4

(21.8)

9.7

(11.3)

Ampicillin-sulbactam

10.8

(50.5)

11.3

(42.5)

10.7

(48.8)

9.5

(30.7)

12.6

(21.4)

Vancomycin

6.9

(13.5)

6.2

(6.1)

9.1

(21.1)

5.7

(7.0)

7.7

(13.8)

Cefazolin

4.2

(12.6)

3.4

(9.2)

3.2

(19.7)

5.6

(14.4)

6.3

(12.1)

Amoxicillin-clavulanate^§

2.0

(3.3)

1.5

(4.1)

0.6

(10.9)

3.7

(7.3)

2.4

( - )

Ticarcillin-clavulanate

2.0

(48.6)

1.9

(41.6)

1.6

(40.6)

2.5

(43.1)

1.9

( - )

Cephalexin^§

1.6

(7.3)

0.8

(4.6)

0.8

(26.2)

2.2

(10.1)

4.8

(12.7)

Ertapenem

1.4

(14.9)

1.0

(11.5)

2.6

(19.9)

0.5

(12.1)

1.0

( - )

Ciprofloxacin^§

1.3

(2.5)

1.2

(6.1)

1.4

(6.1)

1.6

(7.9)

0.5

( - )

Ampicillin-sulbactam, vancomycin

1.2

(3.0)

1.2

(2.7)

1.4

(17.4)

1.1

(3.7)

1.0

( - )

Imipenem

1.2

(4.3)

2.1

(11.5)

0.8

(24.9)

0.3

( - )

1.0

( - )

Ceftriaxone

1.2

(3.8)

0.8

(3.7)

1.4

(6.2)

1.6

(6.9)

1.0

( - )

Ciprofloxacin, clindamycin

1.1

(12.7)

1.5

(21.1)

0.6

(15.6)

0.8

(2.9)

1.4

( - )

Clindamycin

1.1

(3.6)

1.1

(7.2)

0.8

(9.7)

0.8

(10.8)

2.4

( - )

Gatifloxacin^§

1.1

(4.1)

0.4

(8.1)

1.2

(3.9)

1.9

(23.7)

1.0

( - )

Nafcillin

1.1

(2.8)

0.6

(6.5)

1.4

(7.9)

1.1

(25.1)

2.4

( - )