TABLE 1.
Demographic Characteristics to Study Day 1 (n = 54)
| Mean (SD) | Range | N (%) | |
|---|---|---|---|
| Birth weight (grams) | 1257 (423) | 500–2345 | |
| Gestational age at birth (wks) | 29.3 (2.2) | 24–32 | |
| SNAP-II day 1* | 12 (9) | 0–38 | |
| SNAP-II day 3 | 3 (5) | 0–17 | |
| Ventilation (days) | 8.3 (12) | 0–46 | |
| Other respiratory support | 7.2 (7) | 0–28 | |
| Dexamethazone (days) | 0.32 (1.4) | 0–8 | |
| Pain exposure if Pain first procedure† | 67.17 (47) | 7–202 | |
| Pain exposure if Clustered Care first procedure† | 74.61 (56) | 9–246 | |
| Morphine exposure if Pain first procedure‡ | 0.87 (2.2) | 0–9.6 | |
| Morphine exposure if Clustered Care first procedure‡ | 0.66 (1.6) | 0–8.3 | |
| Ethnicity (Caucasian) | 39 (72) | ||
| Maternal age (yrs) | 31.4 (5.7) | 19–47 |
*
Score for Neonatal Acute Physiology.41
†
Number of invasive (skin-breaking) procedures from birth to the first study day.
‡
Morphine exposure = (daily average/kg by mouth dose/3 + daily average intravenous mg/kg) × days.