Weighted patient and hospital demographic data
| Stent group (N=1316) | Non-stent group (N=26 605) | p Value | |
| Patient | |||
| Age (median, IQR) | 58 (48–67) | 57 (48–66) | 0.37 |
| Female gender (%) | 1039 (79%) | 19 992 (75%) | 0.0017* |
| Race | |||
| White | 640 (48%) | 14 254 (54%) | 0.0005* |
| Black | 54 (4%) | 1693 (6%) | 0.0011* |
| Hispanic | 99 (7%) | 1616 (6%) | 0.0393* |
| Asian | † | 370 (1%) | 0.06 |
| Other | 44 (3%) | 574 (2%) | 0.0039* |
| Elective admission | 85% | 75% | 0.0001* |
| Admission type | |||
| Routine | 901 (68%) | 19 226 (72%) | 0.0038* |
| Transfer | 68 (5%) | 1138 (4%) | 0.10 |
| ED | 34 (3%) | 1416 (5%) | <0.0001* |
| Number of diagnoses | 5 (3–8) | 5 (3–7) | 0.08 |
| Number of chronic diagnoses | 4 (2–5) | 4 (2–5) | 0.55 |
| Hospital | |||
| Total discharges (no of patients) | 25 731 (15 152–42 550) | 27 452 (20 324–42 550) | 0.02* |
| Bed size | |||
| Small | 44 (3%) | 708 (3%) | 0.10 |
| Medium | 255 (19%) | 3035 (11%) | <0.0001* |
| Large | 996 (76%) | 22 376 (84%) | <0.0001* |
| Government (vs private) | 86% | 90% | <0.0001* |
| Teaching (vs non-teaching) | 77% | 91% | <0.0001* |
Continuous data are displayed as median and IQR; categorical data are displayed as relative frequency.
↵* Significant difference between stent and non-stent groups (p<0.05).
† National estimate ≤10 and therefore undisclosed as part of the HCUP data use agreement.
ED, emergency department.