Variable | HRS | CHARLS | Pooled HRb | P-heterogeneity | ||||
---|---|---|---|---|---|---|---|---|
Median, % | Cases/person-years | HR (95% CI) | Median, % | Cases/person-years | HR (95% CI) | |||
Body weight variability | ||||||||
 Tertile 1 | 1.9 | 124/6934 | 1.00 (reference) | 1.5 | 79/6894 | 1.00 (reference) | 1.00 (reference) | / |
 Tertile 2 | 4.0 | 129/6900 | 1.01 (0.78, 1.30) | 3.1 | 85/6895 | 1.16 (0.85, 1.58) | 1.07 (0.88, 1.30) | 0.499 |
 Tertile 3 | 8.0 | 230/6662 | 1.67 (1.33, 2.11) | 6.0 | 131/6892 | 1.57 (1.18, 2.09) | 1.63 (1.36, 1.95) | 0.742 |
 Per SD increment |  |  | 1.24 (1.15, 1.33) |  |  | 1.17 (1.07, 1.29) | 1.21 (1.15, 1.28) | 0.336 |
 P-value |  |  | < 0.001 |  |  | 0.001 |  |  |
Pulse rate variability | ||||||||
 Tertile 1 | 3.9 | 148/6841 | 1.00 (reference) | 3.8 | 77/6898 | 1.00 (reference) | 1.00 (reference) | / |
 Tertile 2 | 8.0 | 134/6830 | 0.86 (0.68, 1.09) | 7.6 | 95/6894 | 1.07 (0.79, 1.45) | 0.93 (0.78, 1.13) | 0.265 |
 Tertile 3 | 14.3 | 201/6825 | 1.13 (0.91, 1.41) | 13.3 | 123/6889 | 1.17 (0.87, 1.57) | 1.14 (0.96, 1.36) | 0.853 |
 Per SD increment |  |  | 1.07 (0.99, 1.16) |  |  | 1.05 (0.95, 1.17) | 1.06 (1.00, 1.13) | 0.777 |
 P-value |  |  | 0.132 |  |  | 0.341 |  |  |
Blood pressure variability | ||||||||
 Tertile 1 | 4.2 | 131/6787 | 1.00 (reference) | 4.0 | 87/6894 | 1.00 (reference) | 1.00 (reference) | / |
 Tertile 2 | 8.2 | 140/6933 | 0.98 (0.77, 1.25) | 8.0 | 92/6889 | 0.93 (0.69, 1.25) | 0.96 (0.79, 1.16) | 0.789 |
 Tertile 3 | 14.4 | 212/6776 | 1.20 (0.96, 1.50) | 13.6 | 116/6898 | 1.14 (0.86, 1.51) | 1.17 (0.99, 1.40) | 0.780 |
 Per SD increment |  |  | 1.11 (1.03, 1.21) |  |  | 1.12 (1.01, 1.24) | 1.12 (1.04, 1.19) | 0.893 |
 P-value |  |  | 0.073 |  |  | 0.036 |  |  |