Table 2 Regression coefficients (95Â %CI) for the association between quartiles of FFR proportion and DHD15-index scores
| Â | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
|  | β (95 % CI) | β (95 % CI) | β (95 % CI) | β (95 % CI) |
400Â m buffer | ||||
 N, (%) | 2871 (34.9) | 1240 (15.1) | 2063 (25.1) | 2057 (25.0) |
 Median FFR (IQR) | 0.00 (0.00–0.00) | 0.07 (0.06–0.09) | 0.14 (0.13–0.17) | 0.29 (0.22–0.34) |
 Model 1a | ref | 1.56 (0.46; 2.66)e | 0.43 (-0.51; 1.36) | 0.10 (-0.83; 1.04) |
 Model 2b | ref | 1.46 (0.41; 2.52)e | 0.28 (-0.62; 1.18) | -0.05 (-0.94; 0.85) |
 Model 3c | ref | 1.37 (0.29; 2.45)e | 0.05 (-0.87; 0.96) | -0.15 (-1.05; 0.75) |
 Model 4d | ref | 1.10 (-0.07; 2.28) | -0.22 (-1.24; 0.81) | -0.21 (-1.12; 0.70) |
1000Â m buffer | ||||
 N, (%) | 2057 (25.0) | 2057 (25.0) | 2044 (24.8) | 2073 (25.2) |
 Median FFR (IQR) | 0.00 (0.00–0.09) | 0.13 (0.11–0.13) | 0.16 (0.15–0.17) | 0.21 (0.20–0.25) |
 Model 1a | ref | -0.22 (-1.22; 0.79) | 0.38 (-0.63; 1.39) | -0.08 (-1.09; 0.93) |
 Model 2b | ref | -0.21 (-1.18; 0.76) | 0.10 (-0.87; 1.07) | -0.15 (-1.12; 0.82) |
 Model 3c | ref | -0.48 (-1.45; 0.49) | -0.27 (-1.25; 0.71) | -0.34 (-1.31; 0.63) |
 Model 4d | ref | -0.82 (-1.82; 0.18) | -0.16 (-1.14; 0.82) | -0.12 (-1.10; 0.87) |
1500Â m buffer | ||||
 N, (%) | 2057 (25.0) | 2060 (25.0) | 2128 (25.9) | 1986 (24.1) |
 Median FFR (IQR) | 0.10 (0.00–0.10) | 0.13 (0.12–0.13) | 0.17 (0.16–0.19) | 0.22 (0.20–0.24) |
 Model 1a | ref | -0.38 (-1.39; 0.63) | -0.56 (-1.55; 0.44) | 0.16 (-0.85; 1.18) |
 Model 2b | ref | -0.50 (-1.47; 0.47) | -0.53 (-1.49; 0.43) | -0.07 (-1.05; 0.91) |
 Model 3c | ref | -0.70 (-1.68; 0.27) | -0.66 (-1.63; 0.30) | -0.18 (-1.16; 0.81) |
 Model 4d | ref | -0.75 (-1.72; 0.23) | -0.27 (-1.27; 0.73) | 0.37 (-0.67; 1.42) |