Table 3.
Median citrate levels (in mg/dL) in patients with and without liver failure (and interquartile ranges, IQR).
| Citrate (mg/dl)* | Liver failure | p-value | |||||
|---|---|---|---|---|---|---|---|
| Yes (57) | N | No (128) | N | Total (185**) | N | ||
| Basal | 2.95 (2.12–3.78) | 57 | 2.43 (1.81–3.54) | 128 | 2.58 (1.90–3.59) | 185 | 0.022 |
| First day of dialysis | 3.57 (2.83–4.82) | 55 | 2.87 (2.35–4.50) | 121 | 3.12 (2.43–4.53) | 176 | 0.006 |
| Second day of dialysis | 3.56 (2.73–4.82) | 52 | 2.95 (2.31–4.30) | 113 | 3.07 (2.39–4.40) | 165 | 0.007 |
| Third day of dialysis | 3.59 (2.76–4.87) | 46 | 2.81 (2.24–3.82) | 98 | 2.99 (2.32–4.06) | 144 | 0.001 |
| Fourth day of dialysis | 3.83 (2.83–4.62) | 38 | 2.83 (2.12–3.72) | 80 | 2.99 (2.24–4.00) | 118 | 0.005 |
| Fifth day of dialysis | 3.68 (2.49–4.74) | 34 | 2.63 (1.95–3.61) | 67 | 2.83 (2.16–4.01) | 101 | 0.005 |
| Sixth day of dialysis | 3.35 (2.67–4.56) | 32 | 2.82 (2.05–4.03) | 57 | 3.09 (2.23–4.17) | 89 | 0.037 |
| Seventh day of dialysis | 3.95 (2.68–5.39) | 28 | 2.68 (2.26–3.99) | 43 | 3.04 (2.33–4.40) | 71 | 0.020 |
*To convert citrate from mg/dl to µmol/l, multiply it by 52.08 (normal values: 0.96–2.50 mg/dl or 50–130 µmol/l). **Patients with missing values were excluded (complete case analysis).