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. 2020 Jul 21;9(15):e016581. doi: 10.1161/JAHA.120.016581

Table 3.

Comparison of Postoperative and Short‐Term Outcomes of Subjects With Prolonged and Shorter Total Hospital Length of Stay During Incident Hospitalization

LOS ≤7 d (n=151) LOS >7 d (n=118) P Value
Inpatient costs for incident hospitalization ($) 43 672 (38 480, 58 362) 93 575 (71 738, 14 927) <0.0001
Total outpatient visits
Number 18 (12, 29) 29 (19, 48) <0.0001
Cost ($) 17 039 (7496, 345 112) 29 219 (12 469, 66 081) 0.009
Subsequent hospitalizations <0.0001
0 118 (78) 55 (46.61)
1 16 (11) 29 (24.58)
≥2 17 (11) 34 (28.81)
Cumulative LOS, d 4 (2, 9) 7 (3, 13) 0.06
Cumulative cost ($) 24 004 (9513, 81 649) 27 852 (13 438, 79 648) 0.60
Subsequent cardiac operations 0.20
0 115 (76) 100 (83)
1 14 (9) 9 (8)
≥2 23 (15) 9 (8)
Catheterizations 0.13
0 131 (87) 89 (75)
1 7 (5) 13 (11)
≥2 13 (9) 16 (14)
ECGs 3 (2, 5) 4 (2, 6) 0.07
Echocardiograms 4 (2, 5) 4 (3, 6) 0.13

Data are presented as N (%) or median (interquartile range). LOS indicates length of stay.