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Table 1 General characteristics of the case and control groups

From: Patients with symptoms and characteristics consistent with obstructive sleep apnea are at a higher risk for acute and subacute stent thrombosis after percutaneous coronary stent implantation: a single-center case–control study

Characteristic Case (n = 23) Control (n = 92) P-value
Age (years) 60.87 ± 10.90 59.32 ± 9.76 0.502
BMI (kg/m2) 26.29 ± 3.26 25.36 ± 3.07 0.198
Gender (male) 18 (78.26%) 72 (78.26%) 1.000
Smoking 16 (69.56%) 45 (48.91%) 0.076
Hypertension 13 (56.52%) 56 (60.87%) 0.703
Obesity 5 (21.7%) 14 (15.2%) 0.451
Overweight 19 (82.6%) 65 (70.7%) 0.248
Diabetes 8 (34.78%) 28 (30.43%) 0.688
Hyperlipidemia 4 (17.39%) 24 (26.09%) 0.385
Atrial fibrillation 0 (0.00%) 3 (3.26%) 0.380
Myocardial infarction 6 (26.09%) 19 (20.65%) 0.572
Stroke 4 (17.39%) 0 (0.00%) 0.999
OSA 14 (60.87%) 21 (23.09%) 0.002
Emergency operation 8 (34.78%) 10 (10.87%) 0.007
Bivalirudin 3 (13.04%) 0 (0%) 0.990
Postoperative tirofiban 14 (60.87%) 15 (16.30%) 0.000
Heparin 1 (4.35%) 15 (16.30%) 0.138
Statin 18 (78.26%) 91 (98.91%) 0.004
Length of stent (mm) 67.22 ± 31.64 38.60 ± 20.40 <0.001
  1. Values are shown as mean ± standard deviation (SD) or number and percentage
  2. BMI body mass index; OSA obstructive sleep apnea