Table 2.
Characteristics (continuous variable, n (%)) of patients with or without CKD
| Determinant | Total |
Cases |
Noncases |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Missing value | Mean | SD | Missing value | Mean | SD | Missing value | |
| Age (years) | 52.6 | 18.9 | 0.0% | 75.0 | 11.2 | 0.0% | 51.9 | 18.7 | 0.0% |
| Creatinine (mg/dL) | 0.846 | 0.197 | 38.7% | 1.03 | 0.255 | 14.4% | 0.838 | 0.189 | 39.5% |
| BMI (kg/m2) | 26.0 | 5.19 | 46.6% | 27.9 | 5.09 | 29.6% | 25.9 | 5.18 | 47.2% |
| Diastolic blood pressure (mmHg) | 78.2 | 9.63 | 35.9% | 78.0 | 9.31 | 13.8% | 78.3 | 9.64 | 36.6% |
| Systolic blood pressure (mmHg) | 128 | 17.1 | 35.9% | 135 | 16.8 | 13.8% | 128 | 17.0 | 36.6% |
BMI: body mass index; CKD: chronic kidney disease; SD: standard deviation.
P < .001 for all variables describing cases versus noncases (t test).