Deaths

p-value

No

Yes

Term of pregnancy

Premature

14 (47%)

16 (53%)

p = 0.029

Term

49 (51%)

47 (42%)

Hypertonia in opistotonos

Yes

23 (40%)

35 (60%)

p = 0.050

No

36 (62%)

22 (38%)

Breathing pauses

Yes

9 (30%)

21 (70%)

p = 0.037

No

49 (59%)

34 (41%)

Maximum bilirubin level in umol/L

<250

6 (46%)

7 (54%)

p = 0.559

250 - 349

17 (71%)

7 (29%)

450+

22 (57%)

17 (43%)