Table 1. Baseline characteristics according to serum phosphorus concentrations.
| Total | Serum phosphorus (mg/dL) | p | ||||
|---|---|---|---|---|---|---|
| ≤3.2 | 3.2< to ≤3.6 | 3.6< to ≤4.0 | >4.0 | |||
| Number | 2509 | 531 | 720 | 692 | 560 | |
| Age, years (SD) | 53.5 (9.1) | 53.1 (9.2) | 53.1 (8.9) | 53.8 (9.2) | 54.0 (9.2) | 0.001 |
| Sex, female % | 36.8 | 23.8 | 27.3 | 38.3 | 59.8 | < 0.001 |
| DM, % | 9.7 | 10.9 | 10.5 | 8.8 | 8.8 | 0.460 |
| HTN, % | 21.4 | 25.9 | 18.8 | 20.4 | 22.0 | 0.020 |
| BMI, kg/m2 (SD) | 24.2 (2.8) | 24.5 (3.0) | 24.2 (2.6) | 24.1 (2.8) | 24.0 (3.0) | 0.001 |
| SBP, mmHg (SD) | 124 (16) | 126 (17) | 124 (15) | 123 (16) | 122 (16) | < 0.001 |
| Corrected Ca, mg/dL (SD) | 8.9 (0.5) | 8.8 (0.4) | 8.9 (0.5) | 8.9 (0.5) | 9.0 (0.5) | < 0.001 |
| Albumin, g/dL (SD) | 4.3 (0.4) | 4.3 (0.4) | 4.3 (0.4) | 4.3 (0.4) | 4.3 (0.4) | 0.020 |
| HbA1c, % (SD) | 5.8 (0.8) | 5.8 (0.8) | 5.8 (0.9) | 5.8 (0.8) | 5.8 (0.8) | 0.130 |
| LDL cholesterol, mg/dL (SD) | 119 (34) | 115 (33) | 121 (32) | 119 (34) | 122 (36) | 0.020 |
| HDL cholesterol, mg/dL (SD) | 51 (13) | 50 (13) | 50 (13) | 51 (13) | 53 (13) | < 0.001 |
| Agatston score group, % | 0.520 | |||||
| = 0 | 63.3 | 62.1 | 64.9 | 61.9 | 63.9 | |
| >0 to 100 | 24.5 | 26.6 | 24.0 | 25.0 | 22.5 | |
| >100 | 12.2 | 11.3 | 11.1 | 13.1 | 13.6 | |
Abbreviations: SD; standard deviation, DM; diabetes mellitus, HTN; hypertension, BMI; body mass index, SBP; systolic blood pressure, Ca; calcium, HbA1c; hemoglobin A1c, LDL; low-density lipoprotein, HDL; high-density lipoprotein.