Table 4 The association between independent features on ICU admission and 25th quantile physical function at 3 months and 6 months post discharge

Female sex

− 18.00 (− 26.58, − 10.33)

0.002

− 20.21 (− 23.04, − 10.13)

< 0.001

Age

− 0.46 (− 0.53, − 0.37)

< 0.001

− 0.270 (− 0.37, − 0.26)

< 0.001

Any pre-existing comorbidities

− 15.28 (− 23.85, − 7.30)

0.003

− 11.36 (− 17.81, − 1.39)

0.07

Incubation period (n = 50)

0.69 (− 1.137, 1.41)

0.19

0.17 (− 0.01, 0.42)

0.31

Period of onset (n = 55)

0.06 (− 0.13, 0.10)

0.32

0.06 (− 0.22, 0.08)

0.11

Time from 1st symptom to admission

1.19 (− 1.64, 2.10)

0.19

0.70 (− 1.17, 1.25)

0.13

Difficulty breathing on admission

− 9.61 (− 14.91, 8.08)

0.18

− 3.00 (− 16.57, 0.08)

0.35

Highest systolic blood pressure (mmHg)*

− 0.21 (− 0.48, − 0.15)

0.07

− 0.21 (− 0.27, 0.02)

0.01

Highest heart rate (bpm)

− 0.08 (− 0.38, 0.20)

0.64

− 0.08 (− 0.40, -0.01)

0.18

Heart rate range (bpm)*

− 0.07 (− 0.42, 0.30)

0.70

− 0.13 (− 0.31, 0.01)

0.19

Highest temperature (°C)

5.07 (− 7.16, 8.76)

0.16

1.97 (− 13.28, 3.17)

0.23

SpO2 on admission (%)*

0.55 (0.40, 3.81)

0.21

0.72 (0.00, 3.26)

0.03

SOFA** score^1*

0

> = 1

− 6.17 (− 17.98, − 0.01)

0.27

− 3.97 (− 17.98, − 0.85)

0.82

Urine output (ml/h)

0.04 (− 0.14, 0.04)

0.20

0.01 (− 0.02, 0.03)

0.34

Creatinine (μmol/L)

0.16 (− 0.06, 0.27)

0.23

0.01 (− 0.07, 0.17)

0.93

Platelets (× 10⁹/L)

− 0.06 (− 0.10, − 0.04)

0.01

− 0.03 (− 0.08, 0.00)

0.13