Table 2.
Base Deficit, pH, and Electrolyte Changes in the Study Cohorts
| Measurement | Fluid Type | P-value | ||||
|---|---|---|---|---|---|---|
| NR (N=20) | NS (N=20) | LR (N=19) | NR vs NS | NR vs LR | NS vs LR | |
| Base Deficit (mEq/L) | ||||||
| First ABG | −0.1 ± 2.2 | −0.5 ± 2.5 | 0.9 ± 2.5 | 0.549 | 0.191 | 0.081 |
| Second ABG | −0.6 ± 1.8 | −2.0 ± 2.2 | −0.2 ± 1.7 | 0.031 | 0.550 | 0.007 |
| Change | −0.5 ± 1.5 | −1.5 ± 2.4 | −1.2 ± 2.3 | 0.120 | 0.301 | 0.650 |
| pH | ||||||
| First ABG | 7.39 ± 0.05 | 7.40 ± 0.05 | 7.40 ± 0.05 | 0.455 | 0.347 | 0.813 |
| Second ABG | 7.39 ± 0.04 | 7.37 ± 0.03 | 7.39 ± 0.04 | 0.013 | 0.435 | 0.094 |
| Change | 0.01 ± 0.06 | −0.03 ± 0.04 | −0.02 ± 0.06 | 0.017 | 0.194 | 0.426 |
| Electrolyte change (mEq/L) | ||||||
| Na+ | −0.1 ± 1.9 | 0.1 ± 1.7 | −0.4 ± 1.5 | 0.794 | 0.633 | 0.426 |
| K+ | 0.2 ± 0.4 | 0.4 ± 0.4 | 0.7 ± 0.6 | 0.175 | 0.007 | 0.085 |
| Ca++ | −0.01 ± 0.08 | 0.01 ± 0.05 | −0.13 ± 0.57 | 0.144 | 0.407 | 0.288 |
Notes: The data are listed as the mean ± SD. Analysis with a p value less than 0.05 are listed in bold and italics.
Abbreviations: ABG, arterial blood gas; Na+, sodium; K+, potassium; Ca++, calcium; LR, lactated Ringers; NR, Normosol-R®; NS, normal saline.