Table 5 Adjusted relative risks of clinical outcomes associated with mechanical power (aRR were calculated compared to median on HD 1 of 11.85 Joules/min): (a) mortality, (b) need for reintubation, (c) tracheostomy placement, (d) development of moderate to severe acute respiratory distress syndrome (ARDS)

(a) Hospital mortality

12

1.01 (1.00–1.01)

1.02 (1.01–1.03)

1.01 (1.00–1.02)

13

1.03 (1.02–1.05)

1.12 (1.07–1.16)

1.06 (1.02–1.09)

14

1.07 (1.04–1.09)

1.20 (1.13–1.27)

1.10 (1.03–1.17)

15

1.11 (1.07–1.15)

1.26 (1.17–1.37)

1.13 (1.04–1.23)

16

1.16 (1.10–1.22)

1.32 (1.20–1.46)

1.16 (1.05–1.28)

17

1.22 (1.14–1.30)

1.38 (1.23–1.53)

1.06 (1.05–1.32)

18

1.29 (1.18–1.40)

1.42 (1.26–1.60)

1.20 (1.06–1.36)

19

1.37 (1.23–1.53)

1.46 (1.28–1.66)

1.22 (1.07–1.39)

20

1.47 (1.28–1.65)

1.49 (1.30–1.71)

1.23 (1.07–1.42)

21

1.58 (1.35–1.85)

1.52 (1.32–1.76)

1.25 (1.07–1.45)

(b) Reintubation

12

1.03 (1.03–1.03)

1.01 (1.00–1.01)

1.00 (1.00–1.00)

13

1.15 (1.13–1.16)

1.02 (1.02–1.03)

1.03 (1.02–1.03)

14

1.26 (1.24–1.29)

1.05 (1.04–1.06)

1.05 (1.04–1.06)

15

1.39 (1.35–1.43)

1.08 (1.06–1.09)

1.06 (1.04–1.08)

16

1.52 (1.46–1.57)

1.11 (1.09–1.14)

1.13 (1.08–1.18)

17

1.64 (1.57–1.72)

1.15 (1.12–1.19)

1.19 (1.12–1.26)

18

1.78 (1.69–1.88)

1.20 (1.16–1.25)

1.25 (1.15–1.35)

19

1.92 (1.81–2.03)

1.26 (1.21–1.31)

1.29 (1.18–1.42)

20

2.05 (1.92–2.20)

1.32 (1.25–1.39)

1.34 (1.20–1.48)

21

2.20 (2.05–2.36)

1.40 (1.31–1.49)

1.37 (1.22–1.53)

(c) Tracheostomy placement

12

1.01 (1.00–1.02)

1.01 (1.00–1.01)

1.02 (1.01–1.03)

13

1.05 (1.02–1.09)

1.03 (1.00–1.05)

1.17 (1.06–1.29)

14

1.09 (1.03–1.15)

1.06 (1.01–1.11)

1.27 (1.10–1.47)

15

1.12 (1.03–1.21)

1.09 (1.01–1.17)

1.37 (1.13–1.67)

16

1.14 (1.04–1.25)

1.13 (1.02–1.25)

1.46 (1.16–1.84)

17

1.16 (1.05–1.29)

1.17 (1.03–1.34)

1.53 (1.18–1.99)

18

1.18 (1.05–1.33)

1.23 (1.03–1.46)

1.60 (1.20–2.15)

19

1.20 (1.06–1.35)

1.29 (1.04–1.60)

1.66 (1.22–2.26)

20

1.21 (1.06–1.39)

1.36 (1.05–1.77)

1.71 (1.23–2.39)

21

1.22 (1.06–1.40)

1.45 (1.06–1.99)

1.75 (1.24–2.48)

(d) ARDS

12

1.04 (1.02–1.06)

1.03 (1.02–1.04)

13

1.22 (1.13–1.32)

1.12 (1.07–1.17)

14

1.41 (1.23–1.61)

1.24 (1.14–1.36)

15

1.62 (1.34–1.95)

1.38 (1.21–1.57)

16

1.84 (1.45–2.33)

1.55 (1.30–1.85)

17

2.07 (1.56–2.78)

1.76 (1.41–2.22)

18

2.33 (1.67–3.24)

2.01 (1.52–2.66)

19

2.58 (1.78–3.78)

2.30 (1.65–3.21)

20

2.88 (1.89–4.27)

2.64 (1.79–3.90)

21

3.17 (2.02–4.97)

3.10 (1.97–4.89)