Table 5.
Generalized Linear Regression Model Results for NICU Total Cost, N = 319
| Model 1 | Model 2 | |||||
|---|---|---|---|---|---|---|
| RR (95% CI) | Average Marginal Effect | p-value | RR (95% CI) | Average Marginal Effect | p-value | |
| Gestational age | 0.83 (0.81 – 0.84) | −35,179 ± 15000 | <0.001 | 0.86 (0.85 – 0.88) | −27,440 ± 12844 | <0.001 |
| Female | 1.09 (1.02 – 1.17) | 17,673 ± 7457 | 0.015 | 1.09 (1.03 – 1.16) | 17,664 ± 8233 | 0.004 |
| Birth SGA | 1.19 (1.08 – 1.32) | 37,509 ± 16305 | <0.001 | 1.16 (1.07 – 1.26) | 31,692 ± 15050 | <0.001 |
| Surfactant | 1.08 (1.00 – 1.18) | 16075 ± 6615 | 0.061 | 1.02 (0.94 – 1.09) | 2984 ± 1388 | 0.688 |
| Black | 0.97 (0.89 – 1.07) | −5665 ± 2398 | 0.554 | 0.96 (0.89 – 1.03) | −8984 ± 4178 | 0.260 |
| Hispanic | 0.92 (0.83 – 1.03) | −16,344 ± 6920 | 0.141 | 0.93 (0.85 – 1.02) | −14,986 ± 6969 | 0.109 |
| Medicaid | 0.97 (0.90 – 1.05) | −5688 ± 2420 | 0.494 | 0.96 (0.90 – 1.03) | −7381 ± 3451 | 0.286 |
| DOL of first feeding | 1.00 (0.99 – 1.02) | 442 ± 188 | 0.804 | 1.00 (0.98 – 1.01) | −562 ± 263 | 0.708 |
| DM feeding era | 0.93 (0.86 – 1.00) | −15,555 ± 6654 | 0.045 | 0.93 (0.87 – 0.99) | −14,599 ± 6886 | 0.027 |
| NEC | 1.33 (1.13 – 1.57) | 66,015 ± 30259 | <0.001 | |||
| Late onset sepsis | 1.08 (0.97 – 1.20) | 15,921 ± 7313 | 0.148 | |||
| Bronchopulmonary dysplasia | 1.46 (1.35 – 1.56) | 74,084 ± 24975 | <0.001 | |||
| Severe brain injury | 1.11 (0.97 – 1.27) | 21,744 ± 10160 | 0.132 | |||