Table 2

Care Processes by Length of Stay

All Patients (N = 58,230)Length of Stay (Days)p Value
1–2 (n = 9,938)3–4 (n = 15,288)5–6 (n = 12,439)7–8 (n = 8,786)9–14 (n = 11,779)
Hospital type
 Community42,353 (72.7)6,935 (69.8)11,247 (73.6)9,141 (73.5)6,413 (73.0)8,617 (73.2)<0.001
 Small hospital3,348 (5.7)657 (6.6)912 (6.0)676 (5.4)485 (5.5)618 (5.2)
 Teaching12,529 (21.5)2,346 (23.6)3,129 (20.5)2,622 (21.1)1,888 (21.5)2,544 (21.6)
Treating physician
 Cardiologist11,075 (19.0)1,482 (14.9)2,654 (17.4)2,552 (20.5)1,827 (20.8)2,560 (21.7)<0.001
 Specialist (noncardiologist)4,309 (7.4)881 (8.9)1,087 (7.1)863 (6.9)616 (7.0)862 (7.3)
 Internist20,997 (36.1)4,105 (41.3)5,852 (38.3)4,360 (35.1)2,960 (33.7)3,720 (31.6)
 General practitioner21,848 (37.5)3,470 (34.9)5,695 (37.3)4,663 (37.5)3,383 (38.5)4,637 (39.4)
Admitting unit
 Hospital ward49,167 (84.4)8,994 (90.5)13,058 (85.4)10,383 (83.5)7,284 (82.9)9,448 (80.2)<0.001
 ICU or CCU9,063 (15.6)944 (9.5)2,230 (14.6)2,056 (16.5)1,502 (17.1)2,331 (19.8)
Admission day
 Friday to Sunday23,073 (39.6)3,367 (33.9)6,503 (42.5)5,881 (47.3)2,424 (27.6)4,898 (41.6)<0.001
 Monday to Thursday35,157 (60.4)6,571 (66.1)8,785 (57.5)6,558 (52.7)6,362 (72.4)6,881 (58.4)
In-hospital procedures
 PCI or CABG surgery196 (0.3)≤18 (≤0.2)≤18 (≤0.2)38 (0.3)40 (0.5)100 (0.8)<0.001
 Pacemaker (non-ICD)254 (0.4)≤26 (≤0.3)≤26 (≤0.3)38 (0.3)64 (0.7)126 (1.1)<0.001
 ICD42 (0.1)0 (0.0)≤7 (0.0)≤7 (0.0)≤7 (0.0)35 (0.3)<0.001
 Electrical cardioversion403 (0.7)33 (0.3)71 (0.5)79 (0.6)78 (0.9)142 (1.2)<0.001
Procedures within 90 days
 PCI or CABG surgery946 (1.6)172 (1.7)263 (1.7)223 (1.8)109 (1.2)179 (1.5)0.013
 Pacemaker (non-ICD)396 (0.7)27 (0.3)40 (0.3)41 (0.3)18 (0.2)26 (0.2)0.394
 ICD239 (0.4)31 (0.3)58 (0.4)48 (0.4)36 (0.4)36 (0.3)0.624
 Electrical cardioversion830 (1.4)93 (0.9)117 (0.8)121 (1.0)76 (0.9)70 (0.6)0.010
Discharge medications
 ACE inhibitor or ARB42,300 (72.6)7,193 (72.4)11,388 (74.5)9,201 (74.0)6,307 (71.8)8,211 (69.7)<0.001
 Beta-adrenoceptor antagonist35,459 (60.9)5,971 (60.1)9,466 (61.9)7,631 (61.3)5,360 (61.0)7,031 (59.7)0.001
 Digoxin14,875 (25.5)2,122 (21.4)3,733 (24.4)3,256 (26.2)2,425 (27.6)3,339 (28.3)<0.001
 Furosemide51,747 (88.9)8,667 (87.2)13,671 (89.4)11,134 (89.5)7,870 (89.6)10,405 (88.3)<0.001
 Metolazone3,181 (5.5)483 (4.9)729 (4.8)653 (5.2)486 (5.5)830 (7.0)<0.001
 Spironolactone13,077 (22.5)1,805 (18.2)3,360 (22.0)2,797 (22.5)2,137 (24.3)2,978 (25.3)<0.001
 Antiplatelet agent7,341 (12.6)1,203 (12.1)1,975 (12.9)1,625 (13.1)1,069 (12.2)1,469 (12.5)0.103
 Warfarin21,000 (36.1)3,227 (32.5)5,323 (34.8)4,527 (36.4)3,300 (37.6)4,623 (39.2)<0.001
 HMG-CoA reductase inhibitor29,788 (51.2)5,118 (51.5)7,907 (51.7)6,427 (51.7)4,419 (50.3)5,917 (50.2)0.035

Values are n (%).

CCU = coronary care unit; ICD = implantable cardioverter-defibrillator; ICU = intensive care unit; other abbreviations as in Table 1.

  • Procedures within 90 days post-discharge.