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Table 5 Functional Bacteremia Score (FBS) [18]

From: Ceftolozane-tazobactam versus meropenem for definitive treatment of bloodstream infection due to extended-spectrum beta-lactamase (ESBL) and AmpC-producing Enterobacterales (“MERINO-3”): study protocol for a multicentre, open-label randomised non-inferiority trial

Function

Score

Out of hospital; basically healthy; able to work or perform usual activities

7

Out of hospital; moderate signs or symptoms of disease; unable to work or perform usual activities

6

Out of hospital; significant disability; requires a high level of care and assistance daily

5

Hospitalised but not requiring ICU

4

Hospitalised in ICU

3

Accommodated in a long-term ventilator unit

2

On palliative care in terminal phases of life (in hospital or at home)

1

Dead

0