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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