Table 2.
Demographics and characteristics of the study cohort. Comparing those with and without hyperosmolar dehydration.
| All Patients (n = 6632) | Euhydrated (n = 4830) | Dehydratedb (n = 1802) | P valuea | ||
|---|---|---|---|---|---|
| Age (years) | 65–75: n (%) | 2692 (40.6) | 2103 (43.5) | 589 (32.7) | <0.001 |
| 76–85: n (%) | 2555 (38.5) | 1801 (37.3) | 754 (41.8) | ||
| 86–95: n (%) | 1286 (19.4) | 865 (17.9) | 421 (23.4) | ||
| >95: n (%) | 99 (1.5) | 61 (1.3) | 38 (2.1) | ||
| Gender | Female: n (%) | 3469 (52.3) | 2596 (53.7) | 873 (48.4) | <0.001 |
| Male: n (%) | 3163 (47.7) | 2234 (46.3) | 929 (51.6) | ||
| Charlson Comorbidity index | None (0): n (%) | 1135 (17.1) | 910 (18.8) | 225 (12.5) | <0.001 |
| Mild (1-2): n (%) | 3117 (47.0) | 2364 (48.9) | 753 (41.8) | ||
| Moderate (3-4): n (%) | 1265 (19.1) | 780 (16.1) | 485 (26.9) | ||
| Severe (≥5): n (%) | 1115 (16.8) | 776 (16.1) | 339 (18.8) | ||
| Admission Method | Emergency Department: n (%) | 2496 (37.6) | 1902 (39.4) | 594 (33.0) | <0.001 |
| General Practitioner: n (%) | 3626 (54.7) | 2522 (52.2) | 1104 (61.3) | ||
| Other: n (%) | 510 (7.7) | 406 (8.4) | 104 (5.8) |
Osmolarity calculated using the equation of Krahn & Khajuria [1.86 × (sodium + potassium) + (1.15 × glucose) + urea +14].
a
P value comparing patients with and without dehydration.
b
Dehydration indicates hyperosmolar dehydration, serum osmolarity >300 mOsm/l.