Table 4 Hospital/provider characteristics of study groups after propensity score matching
2OPMT group | CSWWD group | Std. Diff.* | |||
|---|---|---|---|---|---|
N | 5,338 | 100% | 5,338 | 100% | |
Urban Hospital, N/% | 5,174 | 96.90% | 5,176 | 97.00% | 0.002 |
Teaching Hospital, N/% | 3,113 | 58.30% | 3,148 | 59.00% | 0.013 |
Hospital Bed Size, N/% | |||||
0–299 | 727 | 13.60% | 733 | 13.70% | −0.003 |
300–499 | 1,562 | 29.30% | 1,512 | 28.30% | 0.021 |
500+ | 3,049 | 57.10% | 3,093 | 57.90% | −0.017 |
Geographic region, N/% | |||||
Midwest | 763 | 14.30% | 827 | 15.50% | −0.034 |
Northeast | 708 | 13.30% | 662 | 12.40% | 0.026 |
South | 3,322 | 62.20% | 3,336 | 62.50% | −0.005 |
West | 545 | 10.20% | 513 | 9.60% | 0.020 |
Provider annual volume, N/% | |||||
0–200 | 1,502 | 28.10% | 1,506 | 28.20% | −0.002 |
201–350 | 974 | 18.20% | 989 | 18.50% | −0.007 |
351–500 | 992 | 18.60% | 1,045 | 19.60% | −0.025 |
500+ | 1,870 | 35.00% | 1,798 | 33.70% | 0.028 |
Procedural physician specialty, N/% | |||||
Cardiovascular/thoracic surgery | 5,121 | 95.90% | 5,152 | 96.50% | −0.030 |
Internal medicine | 16 | 0.30% | 13 | 0.20% | 0.011 |
Other | 201 | 3.80% | 173 | 3.20% | 0.029 |
Cost-to-charge ratio**, N/% | 1,384 | 25.90% | 1,353 | 25.30% | 0.013 |