Table 1

Baseline demographics of the cohort based on preprocedural white cell count

Quintile 1 (n=1480)Quintile 2 (n=1391)Quintile 3 (n=1463)Quintile 4 (n=1413)Quintile 5 (n=1432)
BMI, body mass index; CABG, coronary artery bypass graft; CHF, congestive heart failure; MI, myocardial infarction; PCI, percutaneous coronary intervention.
k/μl=1 × 106/l.
White cell count
    Median (k/μl)5.306.487.508.7010.90
    Range (k/μl)1.90–5.905.91–6.916.93–8.008.01–9.509.51–46.22
Mean age (years)61.6660.5860.0258.8957.36
BMI (mean)27.8528.3528.9129.1029.04
Women (%)25.9525.0926.7926.7529.54
White (%)87.0990.6591.5991.3792.53
Prior MI655 (44.50%)661 (47.62%)737 (50.44%)799 (56.71 %)851 (59.68%)
Prior CABG222 (15.01%)201 (14.45%)176 (12.03%)136 (9.62%)130 (9.08%)
Prior PCI362 (24.54%)332 (23.94%)317 (21.76%)266 (18.89%)221 (15.51%)
History of CHF81 (5.50%)81 (5.84%)82 (5.62%)105 (7.46%)119 (8.36%)
Current smoker or quit within 1 year268 (18.38%)363 (26.30%)485 (33.68%)591 (42.18%)739 (51.86%)
History of hypertension811 (54.80%)738 (53.29%)804 (55.30%)797 (56.69%)841 (58.89%)
History of diabetes292 (19.74%)278 (20.0%)338 (23.13%)328 (23.23%)368 (25.72%)