Table 4.
Multivariable model of serum Mg concentration stratified for absence or presence of maternal magnesium administration; and combined risk for epilepsy/motor impairment. RR, relative risk ratio; LCL and UCL, 95% lower and upper confidence levels.
| No Maternal Mg | |||||
|---|---|---|---|---|---|
| Parameter | Level | RR | LCL | UCL | p value |
| Serum Mg | 0.68 | 0.32 | 1.5 | 0.32 | |
| Age | |||||
| 1 | 3.1 | 1.6 | 6.0 | 0.0009 | |
| 2 | 1.9 | 0.82 | 4.5 | 0.13 | |
| 3 | 1.9 | 0.73 | 5.1 | 0.19 | |
| 4 | 2.6 | 0.87 | 7.8 | 0.088 | |
| Maternal Steroids | 0.63 | 0.34 | 1.2 | 0.13 | |
| APGAR_5_ | 0.84 | 0.74 | 0.95 | 0.0053 | |
| Neonatal infection | 1.3 | 0.75 | 2.2 | 0.34 | |
| VASOPRES | 1.1 | 0.59 | 2.0 | 0.80 | |
| GA_TOTAL | 0.99 | 0.97 | 1.0 | 0.19 | |
| BIRTH_WT | 0.67 | 0.45 | 1.0 | 0.049 | |
| Yes Maternal Mg | |||||
|---|---|---|---|---|---|
| Parameter | Level | RR | LCL | UCL | pvalue |
| Serum Mg | 0.88 | 0.66 | 1.17 | 0.3859 | |
| Maternal Steroids | 0.60 | 0.33 | 1.06 | 0.0800 | |
| APGAR_5 min | 0.92 | 0.81 | 1.03 | 0.1441 | |
| Neonatal Infection | 2.11 | 1.15 | 3.88 | 0.0158 | |
| VASOPRESSOR | 1.09 | 0.52 | 2.26 | 0.8230 | |
| GA_TOTAL | 1.00 | 0.98 | 1.02 | 0.7210 | |
| BIRTH_WT | 0.51 | 0.24 | 1.07 | 0.0744 | |