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Table 4 Outcome data for impact evaluation of perioperative hospitalist service for urologic procedures

From: Anesthesiologists as perioperative hospitalists and outcomes in patients undergoing major urologic surgery: a historical prospective, comparative effectiveness study

  Prostatectomy pre-program Prostatectomy post-program Nephrectomy pre-program Nephrectomy post-program Cystectomy pre-program Cystectomy post-program
A. Unmatched data comparisons
 Primary outcome
  N 72 125 65 90 26 46
  Length of stay (days) median (25/75 interval) 1.5 (1–2) 1 (1–2) 4 (3–5) 3 (2–3) 9 (8–13.5) 7 (5.25–8.75)
  Bed days saved (mean difference - days)   0.27   1.3   3.1
   Length of stay p value   0.058   < 0.001   < 0.001
 Secondary outcome
  Percentage of total complications (total complications/amount of opportunities for complications) 4.8% 1.5% 9.8% 6.3% 7.0% 3.6%
  AKI 2.8% 0.8% 4.6% 3.3% 7.7% 2.2%
  DVT 0 0 0 0 0 0
  Myocardial infarction 4.2% 1.6% 4.6% 4.4% 0 0
  Pneumonia 0 0.8% 1.5% 1.1% 3.8% 0
  Pulmonary embolus 0 0 1.5% 0 0 0
  Sepsis 0 0 0 0 0 0
  Stroke 0 0 0 0 0 2.2%
  Surgical site infection 0 0 0 0 0 0
  UTI 0 0 0 0 0 2.2%
  Erectile dysfunction 0 0 0 0 0 0
  Ileus 45.8% 13.6% 95.3% 57.8% 65.4% 32.6%
   Ileus Incidence p value   < 0.001   < 0.001   < 0.001
 Return of flatus (POD) median (25/75 interval) 2 (1–2) 2 (1–2) 4 (3–4) 3 (3–4) 5 (5–6) 4 (3–5)
  p value   0.422   0.029   < 0.001
 Percentage of subjects with consultations 5.6% 6.4% 29.3% 12.2% 38.5% 32.6%
 % Change direct cost (standard error of estimate)   − 0.12% (2.75)   −14.55% (3.00)   −11.83% (7.52)
  p value   0.555   0.306   0.172
B. Propensity matched data comparisons
 Primary outcome
  N 71 71 64 64 23 23
  Length of stay (days) median (25/75 interval) 2 (1–2) 1 (1–2) 4 (3–5) 3 (2–3) 9 (8–13.5) 7 (5–10)
  Bed says saved (mean difference - days)   0.44   1.3   3.6
   Length of stay p value   0.009   < 0.001   0.009
 Secondary outcome
  Percentage of total complications (total complications/amount of opportunities for complications) 4.6% 1.0% 9.8% 6.4% 7.1% 2.0%
  AKI 2.8% 1.4% 4.7% 3.1% 8.7% 4.3%
  DVT 0 0 0 0 0 0
  Myocardial infarction 2.8% 1.4% 4.7% 6.3% 0 0
  Pneumonia 0 1.4% 1.6% 1.6% 4.3% 0
  Pulmonary embolus 0 0 1.6% 0 0 0
  Sepsis 0 0 0 0 0 0
  Stroke 0 0 0 0 0 4.3%
  Surgical site infection 0 0 0 0 0 0
  UTI 0 0 0 0 0 4.3%
  Erectile Dysfunction 0 0 0 0 0 0
  Ileus 45% 7% 95.3% 59.4% 65.2% 8.7%
   Ileus Incidence p value   < 0.001   < 0.001   < 0.001
 Return of flatus (POD) median (25/75 interval) 2 (1–2) 2 (1–2) 4 (3–4) 3 (3–4) 5 (5–6.75) 4 (3–4.5)
  p value   0.854   0.005   <  0.001
 Percentage of subjects with consultations 5.6% 2.8% 29.7% 17.2% 34.8% 13%
 % Change direct cost (standard error of estimate)   − 5.59% (2.54)   − 15.88% (3.18)   − 22.15% (6.21)
  p value   0.317   0.277   0.075
  1. A: Unmatched data comparisons. B: Propensity matched data comparisons: POD post-operative day, AKI acute kidney injury, DVT deep venous thrombosis, UTI urinary tract infection