Table 3.
Level of Resuscitation by Cord Blood Magnesium Concentration
| Magnesium concentration (mEq/L) | Highest Level of Resuscitation Recorded | |||||
|---|---|---|---|---|---|---|
| None n=252 | Oxygen only n=432 | Bag/Mask and oxygen n=249 | Intubation n=528 | Chest Compressions n=46 | Any n=1255 | |
| < 1.0, n=52 | 12 (23.1) | 13 (25.0) | 10 (19.2) | 15 (28.9) | 2 (3.9) | 40 (76.9) |
| 1.0 - <2.0, n=900 | 167 (18.6) | 257 (28.6) | 134 (14.9) | 317 (35.2) | 25 (2.8) | 733 (81.4) |
| 2.0 - <3.0, n=279 | 38 (13.6) | 66 (23.7) | 57 (20.4) | 108 (38.7) | 10 (3.6) | 241 (86.4) |
| 3.0 - <4.0, n=225 | 29 (12.9) | 75 (33.3) | 42 (18.7) | 70 (31.1) | 9 (4.0) | 196 (87.1) |
| 4.0 - <5.0, n=45 | 6 (13.3) | 20 (44.4) | 5 (11.1) | 14 (31.1) | 0 (0) | 39 (86.7) |
| ≥5.0, n=6 | 0 (0) | 1 (16.7) | 1 (16.7) | 4 (66.7) | 0 (0) | 6 (100.0) |
| Mean Magnesium concentration* | 1.9 ±0.81 | 2.1 ±0.96 | 2.1 ±0.88 | 2.0 ±0.86 | 2.1 ±0.81 | 2.1 ±0.89 |
Data are presented as number (%) or mean ± standard deviation
*
Mean magnesium concentration did not differ across the highest level of resuscitation recorded, p=0.28