Skip to main content

Table 3 WOMAC index and sub process cost sum distributions {€] for TKA changed after the introduction of a clinical pathway.

From: Cost effectiveness of total knee arthroplasty from a health care providers' perspective before and after introduction of an interdisciplinary clinical pathway - is investment always improvement?

 

before pathway implementation

after pathway implementation, without personal briefing

after pathway implementation, including personal briefing

 

(n = 132)

(n = 70)

(n = 58)

WOMAC index before surgery [%]

41%

(32; 48%)

44%

(34; 50%)

46%

(39; 54%)

WOMAC index three months after surgery [%]

83%

(68; 91%)

82%

(74; 91%)

83%

(66; 90%)

intraindividual three months change in WOMAC [%]

39%

(27; 48%)

range -20; 69%

38%

(30; 47%)

range -6; 68%

30%

(21; 45%) rrange +1; 71%

sub process cost sum [€]

4303 €

(4130; 4660 €)

4149 €

(3980; 4443 €)

4244 €

(4097; 4412 €)

individual cost effectiveness ratio [€/% WOMAC change]

108 € /%

(86; 150 €/%)

110 € /%

(88; 145 €/%)

135 € /%

(102; 211 €/%)

individual effect costs [% WOMAC change/1000€process cost investment]

9%/1000 €

(6; 11%/1000€)

9%/1000 €

(7; 11%/1000€)

7%/1000 €

(5; 10%/1000€)

  1. medians and quartiles for the total WOMAC osteoarthritis index [%, 100% = optimum rating] before and three months after total knee arthroplasty (TKA) as well as intraindividual post - pre change [%] of the index, sub process cost sum {€] for TKA from the hospital's perspective as well as individual ratios between the latter (cost effectivemess, [€/%] and effect costs [%/1000 € investment], respectively), assessed in 132 patients, who underwent TKA before implementation of a critical pathway on TKA, versus 128 patients, who underwent TKA after path implementation (the latter being stratified for attendance of a personal briefing as a voluntary part of the pathway)