Table 4 Incidence risk for acute kidney injury (AKI) and in-ICU mortality according to exposure to norepinephrine (NE)

Before propensity score-weighted estimation

AKI,

NE exposure

21.0 [19.3 to 22.7]

4.74 (3.91 to 5.75)

< 0.001

In-ICU mortality,

NE exposure

10.5 [9.2 to 11.8]

8.98 (6.34 to 12.73)

< 0.001

After propensity score-weighted estimation

AKI,

NE exposure

14.0 [13.5 to 15.5]

1.95 (1.63 to 2.34)

< 0.001

In-ICU mortality,

NE exposure

6.0 [5.0 to 7.0]

1.54 (1.19 to 1.99)

< 0.001