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Table 2 Unadjusted data comparing baseline characteristics between first and last calendar quarters for non-teaching hospitals

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

Non-teaching hospitals (N = 357,922)
Academic cycle 1st quarter (July-Sept) 4th quarter (Apr-June) p
Number of cases 173,039(48.3%) 184,884(51.7%)  
Cases/year 17,303 ± 3,876 18,488 ± 4,229 <0.001§
Age in years 64.7 ± 10.9 64.9 ± 10.8 <0.001
Female* 49,109(28.4%) 52,284(28.3%) 0.51
Cost (x $1000) 78 ± 52 76 ± 52 <0.001
Length of Stay 8.30 ± 5.21 8.30 ± 5.11 0.785
Deyo score 2.98 ± 1.64 3.02 ± 1.64 <0.001
  1. 2 analysis was used for Female Gender. §Paired t-test was done for cases per quadmester per calendar year.