Table 2 Correlation of respiratory support time with daily fluid balance (prokg) from day 1 to day 7, cumulative fluid overload (FO), peak FO, cumulative fluid balances (cumul) from day 1 to day 7. Correlation of the worst pulse oxygen saturation (SpO2) recorded daily from day 1 to day 7 (d1–d7) with daily fluid balance (prokg) from day 1 to day 7

Respiratory support time vs

r

95% CI

p

Prokg d1

 − 0.073

 − 0.27 to 0.13

0.49

Prokg d2

0.005

 − 0.20 to 0.21

0.95

Prokg d3

0.102

 − 0.12 to 0.31

0.36

Prokg d4

 − 0.125

 − 0.34 to 0.11

0.29

Prokg d5

0.013

 − 0.25 to 0.27

0.92

Prokg d6

 − 0.019

 − 0.33 to 0.30

0.90

Prokg d7

0.203

 − 0.14 to 0.50

0.24

Cumulative FO

0.010

 − 0.19 to 0.21

0.92

Peak FO

0.044

 − 0.16 to 0.24

0.67

cumul d1

 − 0.057

 − 0.25 to 0.14

0.58

cumul d2

0.004

 − 0.19 to 0.20

0.96

cumul d3

 − 0.032

 − 0.23 to 0.17

0.75

cumul d4

 − 0.026

 − 0.22 to 0.17

0.80

cumul d5

 − 0.013

 − 0.21 to 0.19

0.89

cumul d6

0.010

 − 0.19 to 0.21

0.92

Worst SpO2 (d1–d7) vs

r

95% CI

p

Prokg d1

0.153

 − 0.06 to 0.35

0.15

Prokg d2

0.129

 − 0.08 to 0.33

0.23

Prokg d3

0.114

 − 0.10 to 0.32

0.30

Prokg d4

0.089

 − 0.14 to 0.31

0.45

Prokg d5

 − 0.146

 − 0.40 to 0.12

0.29

Prokg d6

 − 0.113

 − 0.42 to 0.22

0.51

Prokg d7

0.215

 − 0.14 to 0.52

0.23