Table 1.
Descriptive statistics of phase IV SHFS participants (2001 through 2003)
| Characteristics | All Centers (n = 3665) | Arizona (n = 1235) | Dakotas (n = 1220) | Oklahoma (n = 1210) |
|---|---|---|---|---|
| Age (yr; mean [SD]) | 40 (17) | 37 (16) | 39 (17) | 44 (17) |
| Female gender (n [%]) | 2197 (60) | 769 (62) | 717 (59) | 711 (59) |
| UACR (mg/g; mean [SD]) | 97 (574) | 152 (728) | 76 (508) | 64 (439) |
| Estimated GFR (ml/min per 1.73 m2; mean [SD])a | 100 (29) | 112 (33) | 96 (25) | 93 (24) |
| Body mass index (kg/m2; mean [SD]) | 32 (8) | 35 (9) | 30 (7) | 31 (7) |
| SBP (mmHg; mean [SD]) | 123 (17) | 121 (17) | 120 (16) | 127 (17) |
| DBP (mmHg; mean [SD]) | 76 (11) | 77 (12) | 75 (11) | 77 (11) |
| LDL cholesterol (mg/dl; mean [SD]) | 98 (29) | 94 (26) | 101 (31) | 100 (30) |
| HDL cholesterol (mg/dl; mean [SD]) | 51 (15) | 49 (14) | 51 (14) | 53 (15) |
| TG (mgl/dl; mean [SD]) | 168 (171) | 170 (134) | 161 (201) | 173 (171) |
| Hemoglobin A1c (%; mean [SD]) | 8.4 (2.1) | 8.7 (2.2) | 7.8 (1.9) | 8.2 (2.0) |
| Hypertension (n [%]) | 1153 (31) | 420 (34) | 285 (23) | 448 (37) |
| Diabetes (n [%]) | 830 (23) | 410 (33) | 172 (14) | 248 (21) |
| Smoking (n [%]) | ||||
| current | 1230 (34) | 311 (25) | 518 (42) | 401 (33) |
| previous | 885 (24) | 303 (25) | 284 (23) | 298 (25) |
| never | 132 (42) | 606 (49) | 416 (34) | 510 (42) |
a
Calculated using simplified Modification of Diet in Renal Disease (MDRD) equation.