Table 2 Clinicopathological characteristics

Age, years

68.11 ± 9.38

72.02 ± 9.26

Sex, male/female

20/24

23/21

BMI, kg/m²

23.59 ± 1.13

23.38 ± 1.37

PaO₂/FiO₂, mmHg

431.85 ± 22.67

93.61 ± 14.64^a

White blood cell count, x10⁹/l

7.43 ± 1.68

16.69 ± 5.34^a

C-reactive protein, mg/l

6.08 ± 2.47

30.64 ± 11.16^a

Procalcitonin, ng/ml

0.54 ± 0.29

2.83 ± 1.27^a

MFGE8, pg/ml

79.36 ± 14.90

60.11 ± 22.77^a