Table 3.
Relation between Outcome and Sodium levels on Days 1, Days 3, and Days 7 (n= 168)
| Outcome | ||||
|---|---|---|---|---|
| Total (n= 168) | Survival (n= 110) | Death (n= 58) | p | |
| Serum Na (day1) | ||||
| Low (<135) | 67 (39.9%) | 42 (38.2%) | 25 (43.1%) | |
| Normal (135 – 145) | 91 (54.2%) | 64 (58.2%) | 27 (46.6%) | |
| High (>145) | 10 (6%) | 4 (3.6%) | 6 (10.3%) | |
| Median (Min. – Max.) | 136 (109–152) | 136 (114–151) | 135 (109–152) | 0.388 |
| Mean ± SD. | 135.6± 6.6 | 135.6± 5.9 | 134.8± 7.9 | |
| Serum Na (day3) | ||||
| Low (<135) | 39(26.4%) | 25 (25%) | 14 (29.2%) | |
| Normal (135 – 145) | 95(64.2%) | 69 (69%) | 26 (54.2%) | |
| High (>145) | 14(9.5%) | 6 (6%) | 8 (16.7%) | |
| Median (Min. – Max.) | 138 (113–155) | 138 (118–155) | 137 (113–152) | 0.709 |
| Mean ± SD. | 137.9 ± 5.8 | 137.8 ± 5 | 137.8 ± 7.3 | |
| Serum Na (day7) | ||||
| Low (<135) | 22 (19.5%) | 16 (22.2%) | 6 (14.6%) | |
| Normal (135 – 145) | 70 (61.9%) | 47 (65.3%) | 23 (56.1%) | |
| High (>145) | 21 (18.6%) | 9 (12.5%) | 12 (29.3%) | |
| Median (Min. – Max.) | 139 (120–154) | 138 (120–154) | 141 (130–152) | 0.030* |
| Mean ± SD. | 139.3 ± 6.2 | 138.3 ± 6 | 141.2 ± 6.3 | |
t: Student t-test; U: Mann Whitney test; p: p-value for the association between Outcome and diferent parameters; *: Statistically significant at p ≤ 0.05