Table 1 Demographic and clinical characteristics of patients and healthy controls (HCs).

Age (y)

49.33 ± 9.92

45.15 ± 11.41

49.20 ± 9.14

F = 1.367

0.262^a

Gender, Man

11(61.10%)

13 (50.00%)

17 (56.70%)

χ² = 0.564

0.754^b

Education (y)

11.00 (6.00)

11.00 (5.00)

11.00 (3.00)

H = 1.501

0.472^c

Time interval from end of CO exposure to MRI scan (d)

4.00 (2.00)

3.50 (2.00)

NA

Z = -0.630

0.528^d

Duration of CO exprosure (h)

8.44 ± 1.46*

5.08 ± 1.67

NA

T = 6.904

< 0.001^e

GCS < 9

10 (55.60%)*

2 (7.69%)

NA

χ² = 12.285

0.002^b

Number of HBO sessions

3.00 (2.00)

2.50 (1.00)

NA

Z = -1.325

0.185^d

ABLs (%)

11 (61.11%)*

2 (7.69%)

NA

χ² = 14.581

< 0.001^b