Table 3.
Pearson correlations between neonatal factors and basal cortisol at 18 months CA for the total group of preterm infants, and the subgroup of preterm AGA infants
| Neonatal Factor | Log basal cortisol 18 months CA Total Preterm n = 81 |
p value | Log basal cortisol 18 months CA AGA Preterm n = 57 |
p value |
|---|---|---|---|---|
| Birth weight (g) | −.306 | .005 | −.380 | .004 |
| Gestational age (wks) | −.419 | .0001 | −.442 | .001 |
| Apgar 1 min | −.156 | .164 | −.194 | .147 |
| Apgar 5 min | −.275 | .013 | −.314 | .017 |
| Mechanical ventilation (days) | .369 | .001 | .376 | .004 |
| Other supplemental respiratory support (days) |
.183 | .102 | .223 | .096 |
| Skin breaking procedures birth to term (number) |
.344 | .002 | .313 | .018 |
| Cumulative exposure to IV morphine* |
.248 | .025 | .243 | .069 |
| Illness severity day 1 (SNAP-II) | .270 | .015 | .313 | .018 |
| Illness severity day 3 (SNAP-II) | .240 | .031 | .126 | .349 |
| Postnatal dexamethasone (days) | .182 | .107 | .175 | .193 |
*
average IV morphine dose per day from birth to term adjusted for daily weight X number of days on IV morphine