Table 2 Baseline characteristics.

Male, n (%)

50 (60.2)

19 (54.3)

0.55

Gestational age, median weeks^+days (range)

40⁺¹ (36⁺⁰–42⁺⁴)

39⁺⁶ (36⁺³–41⁺⁶)

0.18

Birth weight, median in gram (range)

3500 (2260–5000)

3425 (1780–4440)

0.36

Mode of delivery

0.07

 Emergency caesarian section, n (%)

46 (55.4)

20 (57.1)

 Vaginal delivery, n (%)

25 (30.1)

6 (17.1)

 Vacuum extraction, n (%)

12 (14.5)

9 (25.7)

Apgar score at 5 min, median (range)

3 (0–10)

3 (0–9)

<0.001

First pH, median (range)

6.96 (6.53–7.34)

6.94 (6.60–7.28)

0.67

Thompson score, median (range)

10 (4–19)

11 (5–20)

0.83

Sarnat classification

0.87

 Mild, n (%)

5 (6.0)

5 (14.3)

 Moderate, n (%)

58 (69.9)

19 (54.3)

 Severe, n (%)

20 (24.1)

10 (28.6)

Incomplete hypothermia <72 h, n (%)

6 (7.2)

0 (0)

0.10

Postmenstrual age at CUS day 3–7, median days (range)

4 (3–7)

4 (3–7)

0.49

MRI available, n (%)

77 (92.8)

N/A

N/A

Postmenstrual age at MRI, median days (range)

6 (3–16)

N/A

N/A

Outcome

0.26

 Normal, n (%)

54 (65.1)

17 (48.6)

 Adverse outcome <85, on BSITD-III, n (%)

3 (3.6)

7 (20.0)

 Death, n (%)

26 (31.3)

11 (31.4)