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Table 1 Unadjusted data comparing baseline characteristics between first and last calendar quarters for teaching hospitals

From: The impact of academic calendar cycle on coronary artery bypass outcomes: a comparison of teaching and non-teaching hospitals

Teaching hospitals (N = 698,942)

Academic cycle

1st quarter (July-Sept)

4th quarter (Apr-June)

p

Number of cases

336,118(48.1%)

362,824(51.9%)

 

Cases/year

33,611 ± 7,971

36,282 ± 8,612

<0.001§

Age in years

64.7 ± 11.0

65.0 ± 10.8

<0.001

Female*

97787(29.1%)

104120(28.7%)

<0.001

Cost (x $1000)

77 ± 55

75 ± 55

<0.001

Length of Stay

8.52 ± 5.65

8.52 ± 5.46

0.99

Deyo score

2.97 ± 1.65

3.00 ± 1.65

<0.001

  1. *χ2 analysis was used for Female Gender. §Paired t-test was done for cases per quadmester per calendar year.
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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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