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. Author manuscript; available in PMC: 2024 Aug 15.
Published in final edited form as: Am J Cardiol. 2023 Jun 21;201:25–33. doi: 10.1016/j.amjcard.2023.06.005

Table 2:

Hospital-Year Characteristics

Variable Performs ≥5 TTM procedures/yr (N=1918) Performs <5 TTM procedures/yr (N=10902) Total (N=12820) P-value

Ownership
Governmental, nonfederal 178 (9.3%) 1634 (15.0%) 1812 (14.1%) <0.001
Private, not-profit 1486 (77.5%) 7310 (67.1%) 8796 (68.6%)
Private, invest-own 254 (13.2%) 1958 (18.0%) 2212 (17.3%)
Teaching Status
Rural 60 (3.1%) 3324 (30.5%) 3384 (26.4%) <0.001
Urban nonteaching 459 (23.9%) 3318 (30.4%) 3777 (29.5%)
Urban teaching 1399 (72.9%) 4260 (39.1%) 5659 (44.1%)
Bedsize Status
Small 365 (19.0%) 4670 (42.8%) 5035 (39.3%) <0.001
Medium 587 (30.6%) 3243 (29.7%) 3830 (29.9%)
Large 966 (50.4%) 2989 (27.4%) 3955 (30.9%)
Minority-Serving Status
Top quintile 432 (22.5%) 2421 (22.2%) 2853 (22.3%) 0.954
Non top quintile 1486 (77.5%) 8481 (77.8%) 9967 (77.7%)
Medicare/Self Pay Serving Status
Top quintile 317 (16.5%) 2395 (22.0%) 2712 (21.2%) <0.001
Non top quintile 1601 (83.5%) 2395 (78.0%) 10108 (78.8%
Region
New England 96 (5.0%) 469 (4.3%) 565 (4.4%) <0.001
Middle Atlantic 314 (16.4%) 1167 (10.7%) 1481 (11.6%)
East North Central 351 (18.3%) 1897 (17.4%) 2248 (17.5%)
West North Central 120 (6.3%) 912 (8.4%) 1032 (8.1%)
South Atlantic 378 (19.7%) 2009 (18.4%) 2387 (18.6%)
East South Central 85 (4.4%) 744 (6.8%) 829 (6.5%)
West South Central 183 (9.5%) 1566 (14.4%) 1749 (13.6%)
Mountain 88 (4.6%) 718 (6.6%) 806 (6.3%)
Pacific 303 (15.8%) 1420 (13.0%) 1723 (13.4%)

Hospitals cannot be linked from year to year in the NIS, so these analyses are performed at the hospital-year level.

TTM = targeted temperature managment