Table 5.
Probability of low IQ score for resuscitated infants, with or without symptoms of encephalopathy
| Unadjusted odds ratio | p value | Adjusted odds ratio* | p value | |
|---|---|---|---|---|
| Verbal IQ (n=5913) | ||||
| Reference group | 1·00 | 1·00 | ||
| Asymptomatic resuscitated infants | 1·44 (0·95–2·18) | 0·088 | 1·42 (0·90–2·25) | 0·144 |
| Resuscitated infants with encephalopathy | 1·72 (0·40–7·35) | 0·461 | 2·01 (0·23–17·18) | 0·538 |
| Performance IQ (n=5907) | ||||
| Reference group | 1·00 | 1·00 | ||
| Asymptomatic resuscitated infants | 1·01 (0·75–1·37) | 0·954 | 1·03 (0.75–1.42) | 0·860 |
| Resuscitated infants with encephalopathy | 4·95 (2·26–10·83) | <0·0001 | 4·62 (1.48–14.40) | 0·008 |
| Full-scale IQ (n=5887) | ||||
| Reference group | 1·00 | 1·00 | ||
| Asymptomatic resuscitated infants | 1·56 (1·10–2·21) | 0·012 | 1·65 (1·13–2·43) | 0·010 |
| Resuscitated infants with encephalopathy | 4·33 (1·73–10·86) | 0·002 | 6·22 (1·57–24·65) | 0·009 |
Data are odds ratio (95% CI).
*
Adjusted for sex, neonatal sepsis, parity, gestational age, birthweight, length and head circumference, method of birth, ethnicity, housing tenure, crowding index, and maternal hypertension, education, socioeconomic group, car ownership, and age.