Table 1 Patient’s characteristics, PCI details separately by DAPT adherence and non-adherence (N = 2019)
Variables | Total | DAPT non-adherence (n = 470) | DAPT adherence (n = 1594) | P value | ||
|---|---|---|---|---|---|---|
N | % | N | % | |||
Age (years)a | 2064 | 57.85 (mean) | 10.72 (SD) | 56.38 (mean) | 10.77 (SD) | 0.01 |
 Age < 60 years old | 1124 | 233 | 49.6% | 891 | 55.9% | 0.02 |
 Age ≥ 60 years old | 940 | 237 | 50.4% | 703 | 44.1% |  |
Sex | Â | Â | Â | Â | Â | 0.06 |
 Female | 504 | 130 | 27.7% | 374 | 23.5% |  |
 Male | 1560 | 340 | 72.3% | 1220 | 76.5% |  |
Hypertension | 830 | 195 | 41.5% | 635 | 39.8% | 0.56 |
Diabetes | 662 | 157 | 33.4% | 505 | 31.7% | 0.52 |
Eligible CAD type | Â | Â | Â | Â | Â | 0.44 |
 Previous MI | 289 | 73 | 15.5% | 216 | 13.6% |  |
 Acute coronary syndrome | 1126 | 246 | 52.3% | 880 | 55.2% |  |
 Chronic stable angina/positive stress test | 649 | 151 | 32.1% | 498 | 31.2% |  |
Status of tobacco use | Â | Â | Â | Â | Â | 0.18 |
 Non-smoker | 1511 | 356 | 75.7% | 1155 | 72.5% |  |
 Current/past smoker | 553 | 114 | 24.3% | 439 | 27.5% |  |
Education in middle school or above | 1059 | 240 | 51.1% | 819 | 51.4% | 0.95 |
Employed | 864 | 197 | 41.9% | 667 | 41.8% | 1.00 |
Underwent intervention in Mumbai | 676 | 138 | 29.4% | 538 | 33.8% | 0.08 |
Stent locations | Â | Â | Â | Â | Â | 0.26 |
 LAD | 854 | 198 | 42.1% | 656 | 41.2% |  |
 RCA | 388 | 75 | 16.0% | 313 | 19.6% |  |
 LCX | 195 | 51 | 10.9% | 144 | 9.0% |  |
 Multiple stents | 627 | 146 | 31.1% | 481 | 30.2% |  |
Stent type | Â | Â | Â | Â | Â | 0.27 |
 BMS | 1057 | 256 | 54.5% | 801 | 50.3% |  |
 DES | 934 | 198 | 42.1% | 736 | 46.2% |  |
 DES and BMS | 73 | 16 | 3.4% | 57 | 3.6% |  |
Year of PTCA | Â | Â | Â | Â | Â | 0.29 |
 2012 | 441 | 99 | 21.1% | 342 | 21.5% |  |
 2013 | 718 | 150 | 31.9% | 568 | 35.6% |  |
 2014 | 413 | 95 | 20.2% | 318 | 19.9% |  |
 2015 | 492 | 126 | 26.8% | 366 | 23.0% |  |
Stent details | Â | mean | SD | mean | SD | Â |
 Total number of stents per patienta |  | 1.52 (mean) | 0.70 (SD) | 1.52 (mean) | 0.66 (SD) | 0.89 |
 Total stent length per patient (mm)a |  | 30.75 (mean) | 19.48 (SD) | 31.18 (mean) | 19.61 (SD) | 0.67 |
Medicine use | Â | Â | Â | Â | Â | Â |
 Aspirin | 1767 | 173 | 36.8% | 1594 | 100.0% |  < 0.001 |
 Clopidogrel | 1544 | 90 | 19.1% | 1454 | 91.2% |  < 0.001 |
 Prasugrel | 182 | 21 | 4.5% | 161 | 10.1% |  < 0.001 |
 Ticlopidine | 22 | 2 | 0.4% | 20 | 1.3% | 0.20 |
 Antihypertension | 1301 | 264 | 56.2% | 1037 | 65.1% |  < 0.001 |
Self-reported drug availability | Â | Â | Â | Â | Â | Â |
 Drugs easily available | 1507 | 330 | 70.2% | 1177 | 73.8% | 0.13 |
 Medicine affordable | 678 | 140 | 29.8% | 538 | 33.8% | 0.12 |
 Close to pharmacy | 1296 | 271 | 57.7% | 1025 | 64.3% | 0.01 |