Table 2.
Baseline Characteristics of Propensity Score–Matched Participants
| Always User | Never User | Standardized Mean Difference in Propensity Score Means | Ratio of SDs | |
|---|---|---|---|---|
| N | 141 | 141 | 0.0003 | 1.0018 |
| Age, y | 60 ± 11 | 59 ± 11 | ||
| Male sex | 61 (43%) | 60 (43%) | ||
| Black | 59 (42%) | 55 (39%) | ||
| Diabetes | 52 (37%) | 61 (43%) | ||
| Hypertension | 123 (87%) | 125 (89%) | ||
| Systolic blood pressure, mm Hg | 130 ± 24 | 133 ± 21 | ||
| Potassium level, mEq/L | 4.45 ± 0.55 | 4.46 ± 0.55 | ||
| eGFR, mL/min/1.73 m2 | 25 ± 3 | 25 ± 4 | ||
| Urinary protein-creatinine ratio, g/g | 0.40 [0.11, 1.25] | 0.68 [0.15, 2.11] |
| Always User | Dynamic User | |||
|---|---|---|---|---|
| N | 76 | 76 | 0.0008 | 1.0010 |
| Age, y | 60 ± 11 | 60 ± 11 | ||
| Male sex | 40 (53%) | 35 (46%) | ||
| Black | 30 (40%) | 29 (38%) | ||
| Diabetes | 32 (42%) | 40 (53%) | ||
| Hypertension | 70 (92%) | 71 (93%) | ||
| Systolic blood pressure, mm Hg | 128 ± 24 | 132 ± 24 | ||
| Potassium level, mEq/L | 4.61 ± 0.58 | 4.56 ± 0.58 | ||
| eGFR mL/min/1.73 m2 | 25 ± 3 | 25 ± 4 | ||
| Urinary protein-creatinine ratio, g/g | 0.42 [0.12, 1.61] | 0.60 [0.12, 2.68] |
| Always User | New User | |||
|---|---|---|---|---|
| N | 39 | 39 | 0.0014 | 1.0114 |
| Age, y | 57 ± 11 | 59 ± 13 | ||
| Male sex | 23 (59%) | 18 (46%) | ||
| Black | 19 (49%) | 19 (49%) | ||
| Diabetes | 19 (49%) | 23 (59%) | ||
| Hypertension | 37 (95%) | 36 (92%) | ||
| Systolic blood pressure, mm Hg | 131 ± 16 | 137 ± 22 | ||
| Potassium level, mEq/L | 4.41 ± 0.50 | 4.50 ± 0.51 | ||
| eGFR, mL/min/1.73 m2 | 25 ± 3 | 25 ± 4 | ||
| Urinary protein-reatinine ratio, g/g | 0.33 [0.12, 1.16] | 0.85 [0.22, 2.80] |
Note: Values expressed as number (percent), mean ±SD, or mean [minimum, maximum] unless otherwise noted.
Abbreviations: eGFR, estimated glomerular filtration rate; SD, standard deviation.