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