| Baseline characteristic . | Fasting (N = 358) . | No fasting (N = 358) . |
|---|---|---|
| Age (years), mean ± SD | 70 ± 11.4 | 69 ± 10.9 |
| Male sex, n (%) | 231/358 (64.5) | 236/358 (65.9) |
| Body mass index,a mean ± SD | 29.6 ± 5.9 | 29.6 ± 5.9 |
| Hypertension, n/total n (%) | 250/358 (69.8) | 249/358 (69.6) |
| Hyperlipidaemia, n/total n (%) | 183/358 (51.1) | 171/358 (47.8) |
| Myocardial infarction, n/total n (%) | 72/358 (20.1) | 89/356 (25) |
| Percutaneous coronary intervention, n/total n (%) | 68/358 (19.0) | 75/358 (20.9) |
| Coronary artery bypass grafting, n/total n (%) | 23/358 (6.4) | 30/358 (8.4) |
| Heart failure,b n/total n (%) | 43/358 (12.0) | 51/358 (14.3) |
| Atrial fibrillation, n/total n (%) | 63/358 (17.6) | 66/358 (18.4) |
| Chronic kidney disease, n/total n (%) | 77/350 (22.0) | 69/354 (19.5) |
| Type 2 diabetes mellitus, n/total n (%) | 97/358 (27.1) | 95/358 (26.5) |
| Current smoker, n/total n (%) | 49/354 (13.8) | 66/356 (18.5) |
| Previous smoking, n/total n (%) | 155/353 (43.9) | 149/352 (42.3) |
| Ischaemic stroke/TIA, n/total n (%) | 20/356 (5.6) | 29/357 (8.1) |
| Haemorrhagic stroke, n/total n (%) | 5/358 (1.4) | 2/357 (.6) |
| Baseline observationsc | ||
| Systolic blood pressure (mm Hg), mean ± SD | 143 ± 22 | 140 ± 21 |
| Heart rate (b.p.m.), mean ± SD | 69 ± 13 | 69 ± 14 |
| Baseline serology | ||
| Creatinine (µmol/L), mean ± SD | 98 ± 71 | 97 ± 70 |
| Glomerular filtration rated (mL/min/1.73 m2), mean ± SD | 70 ± 20 | 71 ± 19 |
| Haemoglobin (g/L), mean ± SD | 137 ± 17 | 137 ± 18 |
| Baseline characteristic . | Fasting (N = 358) . | No fasting (N = 358) . |
|---|---|---|
| Age (years), mean ± SD | 70 ± 11.4 | 69 ± 10.9 |
| Male sex, n (%) | 231/358 (64.5) | 236/358 (65.9) |
| Body mass index,a mean ± SD | 29.6 ± 5.9 | 29.6 ± 5.9 |
| Hypertension, n/total n (%) | 250/358 (69.8) | 249/358 (69.6) |
| Hyperlipidaemia, n/total n (%) | 183/358 (51.1) | 171/358 (47.8) |
| Myocardial infarction, n/total n (%) | 72/358 (20.1) | 89/356 (25) |
| Percutaneous coronary intervention, n/total n (%) | 68/358 (19.0) | 75/358 (20.9) |
| Coronary artery bypass grafting, n/total n (%) | 23/358 (6.4) | 30/358 (8.4) |
| Heart failure,b n/total n (%) | 43/358 (12.0) | 51/358 (14.3) |
| Atrial fibrillation, n/total n (%) | 63/358 (17.6) | 66/358 (18.4) |
| Chronic kidney disease, n/total n (%) | 77/350 (22.0) | 69/354 (19.5) |
| Type 2 diabetes mellitus, n/total n (%) | 97/358 (27.1) | 95/358 (26.5) |
| Current smoker, n/total n (%) | 49/354 (13.8) | 66/356 (18.5) |
| Previous smoking, n/total n (%) | 155/353 (43.9) | 149/352 (42.3) |
| Ischaemic stroke/TIA, n/total n (%) | 20/356 (5.6) | 29/357 (8.1) |
| Haemorrhagic stroke, n/total n (%) | 5/358 (1.4) | 2/357 (.6) |
| Baseline observationsc | ||
| Systolic blood pressure (mm Hg), mean ± SD | 143 ± 22 | 140 ± 21 |
| Heart rate (b.p.m.), mean ± SD | 69 ± 13 | 69 ± 14 |
| Baseline serology | ||
| Creatinine (µmol/L), mean ± SD | 98 ± 71 | 97 ± 70 |
| Glomerular filtration rated (mL/min/1.73 m2), mean ± SD | 70 ± 20 | 71 ± 19 |
| Haemoglobin (g/L), mean ± SD | 137 ± 17 | 137 ± 18 |
SD, standard deviation; TIA, transient ischaemic attack.
aBody mass index was calculated by weight in kilograms divided by the square of the height in metres. Data were missing for 23 patients in the control and 21 patients in the intervention group.
bHeart failure refers to those with an ejection fraction <50%.
cBaseline observation taken prior to procedure.
dThe chronic kidney disease epidemiology collaboration (CKD-EPI) equation was used to calculate glomerular filtration rate.
| Baseline characteristic . | Fasting (N = 358) . | No fasting (N = 358) . |
|---|---|---|
| Age (years), mean ± SD | 70 ± 11.4 | 69 ± 10.9 |
| Male sex, n (%) | 231/358 (64.5) | 236/358 (65.9) |
| Body mass index,a mean ± SD | 29.6 ± 5.9 | 29.6 ± 5.9 |
| Hypertension, n/total n (%) | 250/358 (69.8) | 249/358 (69.6) |
| Hyperlipidaemia, n/total n (%) | 183/358 (51.1) | 171/358 (47.8) |
| Myocardial infarction, n/total n (%) | 72/358 (20.1) | 89/356 (25) |
| Percutaneous coronary intervention, n/total n (%) | 68/358 (19.0) | 75/358 (20.9) |
| Coronary artery bypass grafting, n/total n (%) | 23/358 (6.4) | 30/358 (8.4) |
| Heart failure,b n/total n (%) | 43/358 (12.0) | 51/358 (14.3) |
| Atrial fibrillation, n/total n (%) | 63/358 (17.6) | 66/358 (18.4) |
| Chronic kidney disease, n/total n (%) | 77/350 (22.0) | 69/354 (19.5) |
| Type 2 diabetes mellitus, n/total n (%) | 97/358 (27.1) | 95/358 (26.5) |
| Current smoker, n/total n (%) | 49/354 (13.8) | 66/356 (18.5) |
| Previous smoking, n/total n (%) | 155/353 (43.9) | 149/352 (42.3) |
| Ischaemic stroke/TIA, n/total n (%) | 20/356 (5.6) | 29/357 (8.1) |
| Haemorrhagic stroke, n/total n (%) | 5/358 (1.4) | 2/357 (.6) |
| Baseline observationsc | ||
| Systolic blood pressure (mm Hg), mean ± SD | 143 ± 22 | 140 ± 21 |
| Heart rate (b.p.m.), mean ± SD | 69 ± 13 | 69 ± 14 |
| Baseline serology | ||
| Creatinine (µmol/L), mean ± SD | 98 ± 71 | 97 ± 70 |
| Glomerular filtration rated (mL/min/1.73 m2), mean ± SD | 70 ± 20 | 71 ± 19 |
| Haemoglobin (g/L), mean ± SD | 137 ± 17 | 137 ± 18 |
| Baseline characteristic . | Fasting (N = 358) . | No fasting (N = 358) . |
|---|---|---|
| Age (years), mean ± SD | 70 ± 11.4 | 69 ± 10.9 |
| Male sex, n (%) | 231/358 (64.5) | 236/358 (65.9) |
| Body mass index,a mean ± SD | 29.6 ± 5.9 | 29.6 ± 5.9 |
| Hypertension, n/total n (%) | 250/358 (69.8) | 249/358 (69.6) |
| Hyperlipidaemia, n/total n (%) | 183/358 (51.1) | 171/358 (47.8) |
| Myocardial infarction, n/total n (%) | 72/358 (20.1) | 89/356 (25) |
| Percutaneous coronary intervention, n/total n (%) | 68/358 (19.0) | 75/358 (20.9) |
| Coronary artery bypass grafting, n/total n (%) | 23/358 (6.4) | 30/358 (8.4) |
| Heart failure,b n/total n (%) | 43/358 (12.0) | 51/358 (14.3) |
| Atrial fibrillation, n/total n (%) | 63/358 (17.6) | 66/358 (18.4) |
| Chronic kidney disease, n/total n (%) | 77/350 (22.0) | 69/354 (19.5) |
| Type 2 diabetes mellitus, n/total n (%) | 97/358 (27.1) | 95/358 (26.5) |
| Current smoker, n/total n (%) | 49/354 (13.8) | 66/356 (18.5) |
| Previous smoking, n/total n (%) | 155/353 (43.9) | 149/352 (42.3) |
| Ischaemic stroke/TIA, n/total n (%) | 20/356 (5.6) | 29/357 (8.1) |
| Haemorrhagic stroke, n/total n (%) | 5/358 (1.4) | 2/357 (.6) |
| Baseline observationsc | ||
| Systolic blood pressure (mm Hg), mean ± SD | 143 ± 22 | 140 ± 21 |
| Heart rate (b.p.m.), mean ± SD | 69 ± 13 | 69 ± 14 |
| Baseline serology | ||
| Creatinine (µmol/L), mean ± SD | 98 ± 71 | 97 ± 70 |
| Glomerular filtration rated (mL/min/1.73 m2), mean ± SD | 70 ± 20 | 71 ± 19 |
| Haemoglobin (g/L), mean ± SD | 137 ± 17 | 137 ± 18 |
SD, standard deviation; TIA, transient ischaemic attack.
aBody mass index was calculated by weight in kilograms divided by the square of the height in metres. Data were missing for 23 patients in the control and 21 patients in the intervention group.
bHeart failure refers to those with an ejection fraction <50%.
cBaseline observation taken prior to procedure.
dThe chronic kidney disease epidemiology collaboration (CKD-EPI) equation was used to calculate glomerular filtration rate.
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