Table 1

Clinical characteristics of patients included in the analysis.

DemographicPre-FFRCT Post-FFRCT P value
Patients, n268*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 .