| Dietary acid load scores | Ptrendb | Per 1 SD increase | |||
---|---|---|---|---|---|---|
Q1 (lowest) | Q2 | Q3 | Q4 (highest) | |||
PRAL | ||||||
 Median, mEq/d | −7.1 | 3.1 | 8.5 | 14.7 |  | 5.9 |
 Person-years | 10,232 | 9935 | 9895 | 9929 |  | 39,991 |
 Incident cases (n) | 841 | 885 | 859 | 864 |  | 3449 |
 Rate per 1000 person-years | 82.2 | 89.1 | 86.8 | 87.0 |  | 86.2 |
 | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) |  | HR (95% CI) |
 Model 1 | 1.00 | 1.09 (0.99–1.20) | 1.07 (0.97–1.18) | 1.08 (0.98–1.19) | 0.1193 | 1.02 (0.98–1.05) |
 Model 2 | 1.00 | 1.13 (1.02–1.24) | 1.10 (1.00–1.21) | 1.14 (1.03–1.25) | 0.0155 | 1.04 (1.00–1.07) |
 Model 3 | 1.00 | 1.22 (1.09–1.35) | 1.21 (1.08–1.36) | 1.30 (1.13–1.48) | 0.0002 | 1.13 (1.06–1.20) |
NEAP | ||||||
 Median, mEq/d | 32.0 | 40.5 | 46.5 | 55.4 |  | 43.5 |
 Person-years | 10,148 | 9943 | 9959 | 9941 |  | 39,991 |
 Incident cases (n) | 841 | 879 | 864 | 865 |  | 3449 |
 Rate per 1000 person-years | 82.9 | 88.4 | 86.8 | 87.0 |  | 86.2 |
 | HR (95% CI) | HR (95% CI) | HR (95% CI) | HR (95% CI) |  | HR (95% CI) |
 Model 1 | 1.00 | 1.08 (0.98–1.19) | 1.07 (0.97–1.17) | 1.08 (0.98–1.19) | 0.1850 | 1.02 (0.99–1.06) |
 Model 2 | 1.00 | 1.15 (1.04–1.27) | 1.09 (0.99–1.21) | 1.14 (1.03–1.26) | 0.0247 | 1.04 (1.00–1.07) |
 Model 3 | 1.00 | 1.23 (1.11–1.37) | 1.20 (1.07–1.35) | 1.30 (1.14–1.49) | 0.0008 | 1.10 (1.05–1.16) |