Table 1 Baseline characteristics of infants with or without confirmed outcomes.

From: Three-year outcome following neonatal encephalopathy in a high-survival cohort

Variables

Outcome information

P

Available (n = 474)

Not available (n = 282)

Background variables

Gestational age (weeks)

38.5 ± 1.7

38.6 ± 1.7

0.445

Birth weight (g)

2869 ± 485

2918 ± 515

0.197

Birth location

Inborn

140 (30.0)

76 (27.6)

 

Outborn

327 (70.0)

199 (72.4)

0.498

10-min Apgar score

5 [3–7]

5 [4–7]

0.227

First blood gas pH

6.94 ± 0.21

6.95 ± 0.21

0.650

Base deficit (mmol/L)

14.4 ± 10.4

14.4 ± 10.4

0.994

Thompson score at admission

11 [9–15]

11 [8–14]

0.066

  24 h after initiating cooling

11 [8–14]

11 [7–14]

0.392

Sarnat stage at admission

Mild

48 (10.4)

45 (16.7)

 

Moderate

291 (63.1)

172 (63.7)

 

Severe

122 (26.5)

53 (19.6)

0.014

  1. Values are shown as the number (%), mean ± standard deviation or median [interquartile range]. P-values were determined via Student’s t-test (unpaired, two-tailed), Mann–Whitney U-test or Chi-square test, without correction for multiple comparisons.
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