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Table 1 Patient demographics and surgical case information

From: A perioperative consult service results in reduction in cost and length of stay for colorectal surgical patients: evidence from a healthcare redesign project

  Phase 0 (N = 179) Phase 1 (N = 124) Phase 2 (N = 241) P
0 v. 1 1 v. 2 0 v. 2
Age (y) 52 ± 18 49 ± 18 53 ± 17 0.10 0.02 0.68
Gender (F/M) 94/85 64/60 31/38 0.91 0.32 0.45
Height (cm) 171 ± 11 171 ± 10 172 ± 14 0.85 0.12 0.14
Weight (kg) 78 ± 21 79 ± 18 80 ± 20 0.34 0.86 0.15
BMI (kg/m2) 26 ± 6 27 ± 6 28 ± 9 0.40 0.92 0.19
ASA physical status  
1 and 2 75 (41.9 %) 62 (50.0 %) 102 (42.3 %) 0.20 0.16 0.93
3 and 4 104 (58.1 %) 62 (50.0 %) 139 (57.7 %)
Case mix index 2.18 ± 0.93 2.56 ± 1.71 2.32 ± 0.95 0.02 0.06 0.13
Type of surgery  
Resection 138 88 162 0.23 0.47 0.03
Ostomy creation/reversal 41 36 79
Laparoscopic (%) 56.4 % 51.6 % 46.9 % 0.41 0.39 0.05
Duration of surgery (min) 158 ± 82 162 ± 83 169 ± 90 0.87 0.47 0.25
Duration of anesthesia (min) 204 ± 88 214 ± 90 217 ± 96 0.44 0.73 0.17
  1. Data as mean ± SD for continuous variables
  2. y years, F female, M male, BMI body mass index, ASA American Society of Anesthesiologists, min minutes