Table 2.
Procedural Characteristics by History of Preterm Delivery (N = 5,766)
| No Preterm Delivery (n = 4,803) | Ever Preterm Delivery (n = 963) | Subgroups of Preterm Delivery (n = 963) |
||
|---|---|---|---|---|
| Late Preterm Delivery (n = 652) | Early Preterm Delivery (n = 311) | |||
| Vessel treated | ||||
| LAD (including LMS) | 2,602 (54.2%) | 501 (52.0%) | 351 (53.8%) | 150 (48.2%) |
| RCA | 1,773 (36.9%) | 375 (38.9%) | 251 (38.5%) | 124 (39.9%) |
| LCX | 1,026 (21.4%) | 220 (22.9%) | 161 (24.7%) | 59 (19.0%) |
| Other | 184 (3.8%) | 46 (4.8%) | 23 (3.5%) | 23 (7.4%) |
| Stent type | ||||
| DESa | 3,197 (69.4%) | 677 (72.0%) | 458 (71.9%) | 219 (72.3%) |
| Multiple vessel diseasea | ||||
| Yes | 1,444 (30.1%) | 329 (34.2%) | 232 (35.6%) | 97 (31.3%) |
| No of vessels treated | ||||
| 1 | 4,098 (85.3%) | 805 (83.6%) | 535 (82.1%) | 270 (86.8%) |
| ≥2 | 705 (14.7%) | 158 (16.4%) | 117 (17.9%) | 41 (13.2%) |
| No of stents | ||||
| 1 | 3,237 (67.4%) | 608 (63.1%) | 407 (62.4%) | 201 (64.6%) |
| 2 | 1,058 (22.0%) | 239 (24.8%) | 154 (23.6%) | 85 (27.3%) |
| ≥3 | 508 (10.6%) | 116 (12.1%) | 91 (14.0%) | 25 (8.0%) |
| Procedure type | ||||
| PCI ad hoc | 4,645 (96.7%) | 919 (95.4%) | 621 (95.3%) | 298 (95.8%) |
| PCI | 158 (3.3%) | 44 (4.6%) | 31 (4.8%) | 13 (4.2%) |
| Year of procedure | ||||
| 2006-2009 | 1,288 (26.8%) | 230 (23.9%) | 153 (23.5%) | 77 (24.8%) |
| 2010-2013 | 1,617 (33.7%) | 336 (34.9%) | 230 (35.3%) | 106 (34.1%) |
| 2014-2017 | 1,898 (39.5%) | 397 (41.2%) | 269 (41.3%) | 128 (41.2%) |
Values are n (%).
DES = drug-eluting stent; LAD = left anterior descending artery; LCX = left circumflex artery; LMS = left main stem; PCI = percutaneous coronary intervention; RCA = right coronary artery
a
Multiple-vessel disease, 2 (0.04%) missing in the no preterm delivery group and 1 (0.1%) missing in the ever preterm delivery group; DES, 197 missing (4.1%) in the no preterm delivery group and 23 (2.4%) missing in the ever preterm delivery group.