|  | TDF-ART (N = 157) | ZDV-ART (N = 165) | ZDV Alone (N = 156) |
---|---|---|---|---|
Calculated CrCl (mL/min per 1.73 m2) | N | 126 | 128 | 115 |
 | Mean (sd) | 57.4 (22.4) | 59.9 (25.9) | 62.0 (25.7) |
 | Mean difference (95% CI) from TDF-ART |  | − 2.5 (− 8.4, 3.5) | − 4.6 (− 10.7, 1.6) |
 | P value* |  | 0.42 |  |
 | Mean difference (95% CI) from ZDV-ART |  |  | − 2.1 (− 8.6, 4.4) |
Calcium (mg/dL) | N | 131 | 136 | 124 |
 | Mean (sd) | 10.30 (1.16) | 10.26 (0.91) | 10.30 (1.16) |
 | Mean difference (95% CI) from TDF-ART |  | 0.04 (− 0.22, 0.29) | − 0.01 (− 0.29, 0.28) |
 | Mean difference (95% CI) from ZDV-ART |  |  | − 0.04 (− 0.30, 0.21) |
Phosphate (mg/dL) | N | 133 | 138 | 125 |
 | Mean (sd) | 6.28 (2.79) | 6.12 (1.13) | 7.32 (8.06) |
 | Mean difference (95% CI) from TDF-ART |  | 0.16 (− 0.35, 0.68) | − 1.04 (− 2.54, 0.46) |
 | Mean difference (95% CI) from ZDV-ART |  |  | − 1.20 (− 2.64, 0.24) |