Table 2. angiographic and procedural characteristics.
| Year | 2014 (n=44,967) | 2016 (n=48,823) | p value | Effect size, d (95% CI) | |
|---|---|---|---|---|---|
| Disease extent | <0.001 | 0.091 (0.077, 0.106) | |||
| 1 vessel disease | 19,210 (42.7) | 22,857 (46.8) | |||
| 2 vessel disease | 14,674 (32.6) | 15,242 (31.2) | |||
| 3 vessel disease | 10,664 (23.7) | 10,387 (21.3) | |||
| PCI location | |||||
| LM | 2,216 (4.9) | 2,474 (5.1) | 0.336 | 0.016 (−0.016, 0.049) | |
| Prox LAD | 14,327 (31.9) | 16,516 (33.8) | <0.001 | 0.049 (0.034, 0.064) | |
| Mid-distal LAD | 17,200 (38.3) | 18,163 (37.2) | 0.001 | −0.025 (−0.039, −0.01) | |
| LCX | 12,294 (27.3) | 13,597 (27.8) | 0.082 | 0.014 (−0.002, 0.03) | |
| RCA | 15,925 (35.4) | 17,461 (35.8) | 0.268 | 0.008 (−0.006, 0.023) | |
| Graft | 100 (0.2) | 103 (0.2) | 0.76 | −0.029 (−0.181, 0.123) | |
| ISR | 3,421 (7.6) | 3,584 (7.3) | 0.121 | −0.021 (−0.048, 0.005) | |
| CTO | 4,740 (10.5) | 5,475 (11.2) | 0.001 | 0.038 (0.015, 0.061) | |
| PCI status | <0.001 | −0.06 (−0.075, −0.045) | |||
| Elective | 29,971 (67.2) | 31,644 (64.8) | |||
| Urgent | 5,458 (12.2) | 8,173 (16.7) | |||
| Emergent | 8,981 (20.2) | 8,712 (17.8) | |||
| Salvage | 158 (0.4) | 289 (0.6) | |||
| Arterial access | <0.001 | −0.057 (−0.072, −0.043) | |||
| Brachial | 90 (0.2) | 93 (0.2) | |||
| Femoral | 19,645 (43.7) | 20,090 (41.1) | |||
| Others | 12 (0) | 8 (0) | |||
| Radial | 25,202 (56) | 28,621 (58.6) | |||
| Ulnar | 17 (0) | 10 (0) | |||
| Unknown | 1 (0) | 1 (0) | |||
| IVUS | 12,846 (28.6) | 13,418 (27.5) | <0.001 | −0.03 (−0.046, −0.014) | |
| FFR | 1,675 (3.7) | 1,987 (4.1) | 0.007 | 0.051 (0.014, 0.087) | |
| Functional tests | 7,154 (15.9) | 7,076 (14.5) | <0.001 | −0.061 (−0.08, −0.041) | |
| BMS | 483 (1.1) | 766 (1.6) | <0.001 | 0.212 (0.149, 0.275) | |
| DES | 41,077 (91.3) | 43,920 (90) | <0.001 | −0.091 (−0.115, −0.066) | |
| Balloon | 8,611 (19.1) | 7,290 (14.9) | <0.001 | −0.165 (−0.184, −0.146) | |
| DEB | 2,666 (5.9) | 2,772 (5.7) | 0.103 | −0.025 (−0.056, 0.005) | |
| No. DES | <0.001 | −0.032 (−0.048, −0.017) | |||
| 1 | 27,406 (66.7) | 28,726 (65.4) | |||
| 2 | 9,784 (23.8) | 10,707 (24.4) | |||
| 3 or more | 3,887 (9.5) | 4,487 (10.2) | |||
BMS = bare metal stent; CI = confidence interval; CTO = chronic total occlusion; DEB = drug-eluting balloon; DES = drug-eluting stent; FFR = fractional flow reserve; ISR = in-stent restenosis; IVUS = intravascular ultrasound; LAD = left anterior descending coronary artery; LCX = left circumflex artery; LM = left main; PCI = percutaneous coronary intervention; RCA = right coronary artery.