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Table 1 Characteristics of Patients and Hospitals With and Without A Critical Pathway

From: Decreasing medical complications for total knee arthroplasty: Effect of Critical Pathways on Outcomes

Characteristics Critical
Pathway
N (%)
No Critical
Pathway
N (%)
P value
Patients 7,440 (81.2) 1,717 (18.8)  
Age, mean (SD), years 74.3 (+/-5.8) 73.9(+/-5.7) NS
Gender, male 2,276(31) 535(31) NS
Number of comorbid illnesses    
   0 4680 (63) 1,116(65) NS
   1 1741 (23) 378(22) NS
   > 1 1019(14) 223(13) NS
Medicaid eligible 476(6.4) 149(8.6) p = 0.04
Adverse events    
   Death 40(0.5) 18 (1.1) p = 0.02
   Acute myocardial infarction 59(0.8) 22 (1.3) p = 0.05
   Pneumonia 102 (1.4) 37 (2.2) p = 0.02
   Pulmonary embolus 58(0.8) 22 (1.3) p = 0.04
   Deep wound infection 26 (.4) 6 (.4) NS
Hospitals Critical
Pathway
N = 204
No Critical
Pathway
N = 91
 
Length of Stay 5.8 (2.4) 5.3 (2.0) p = .00001