Table 1.
Demographic | Pre-FFRCT | Post-FFRCT | P value |
Patients, n | 268* | 287* | – |
Male (%) | 137/268 (51.1) | 131/287 (45.6) | 0.228 |
Mean age (range) | 62 (35–89) | 62 (26–89) | 0.764† |
Ever smoked (%)‡ | 116/261 (44.4) | 167/283 (59.0) | 0.003§ |
Hypertension (%) | 112/259 (43.2) | 149/283 (52.7) | 0.035 |
Hyperlipidaemia (%) | 139/252 (55.2) | 184/274 (67.2) | 0.006 |
Diabetes (%) | 44/260 (16.9) | 48/282 (17.0) | 1 |
Family history (%) | 123/252 (48.8) | 127/270 (47.0) | 0.751 |
Body mass index ≥30 (%) | 66/159 (41.5) | 95/229 (41.5) | 1 |
*Value changes in subsequent rows due to unrecorded data or patient answering 'Don't know' when asked.
†P value calculated using t-test; all others used χ2 test.
‡Ever smoked includes current and ex-smokers.
§Significant with Bonferroni correction applied to the group of eight observations (p<0.00625).
FFRCT, CT fractional flow reserve.