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Data Quality
Mean scores
Knee » PROMs » Mean scores » NRS (rest)
FIGURE Mean pre-operative, 6 months and 12 months postoperative NRS (rest) scores of patients who underwent a TKA for osteoarthritis by NRS satisfaction score in the Netherlands in 2014-2020
TABLE Mean NRS (rest) scores
| NRS (rest) score | Pre-operative | 6 months postoperative | 12 months postoperative | |||
| NRS satisfaction | n | Mean (95% CI) | n | Mean (95% CI) | n | Mean (95% CI) |
| Not satisfied: 0-4 | 2,013 | 5.4 (5.3-5.6) | 2,016 | 3.3 (3.2-3.5) | 2,059 | 3.5 (3.4-3.6) |
| Moderately satisfied: 5-7 | 6,109 | 5.5 (5.4-5.5) | 6,221 | 3.0 (2.9-3.0) | 6,285 | 2.9 (2.8-2.9) |
| Very satisfied: 8-10 | 20,043 | 5.1 (5.0-5.1) | 20,383 | 1.3 (1.3-1.3) | 20,683 | 0.9 (0.8-0.9) |
| Total | 30,739 | 5.2 (5.2-5.2) | 31,280 | 1.8 (1.8-1.8) | 31,424 | 1.5 (1.5-1.5) |
The NRS (satisfaction) score measures patients’ satisfaction with the outcome of after joint replacement. The score has a range of 0.0 to 10.0, with 0.0 representing very unsatisfied and 10.0 representing very satisfied.
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2022
The NRS (rest) score measures pain during rest. The score has a range of 0.0 to 10.0, with 0.0 representing no pain and 10.0 representing the most possible pain.
Knee » PROMs » Mean scores » NRS (activity)
FIGURE Mean pre-operative, 6 months and 12 months postoperative NRS (activity) scores of patients who underwent a TKA for osteoarthritis by NRS satisfaction score in the Netherlands in 2014-2020
TABLE Mean NRS (activity) scores
| NRS (activity) score | Pre-operative | 6 months postoperative | 12 months postoperative | |||
| NRS satisfaction | n | Mean (95% CI) | n | Mean (95% CI) | n | Mean (95% CI) |
| Not satisfied: 0-4 | 2,011 | 7.5 (7.4-7.6) | 2,013 | 4.7 (4.6-4.8) | 2,062 | 4.9 (4.8-5.0) |
| Moderately satisfied: 5-7 | 6,107 | 7.5 (7.4-7.5) | 6,220 | 4.4 (4.3-4.4) | 6,286 | 4.3 (4.2-4.4) |
| Very satisfied: 8-10 | 20,033 | 7.3 (7.3-7.3) | 20,371 | 2.1 (2.1-2.2) | 20,683 | 1.5 (1.5-1.5) |
| Total | 30,722 | 7.3 (7.3-7.3) | 31,266 | 2.8 (2.8-2.8) | 31,422 | 2.3 (2.3-2.4) |
The NRS (satisfaction) score measures patients’ satisfaction with the outcome of after joint replacement. The score has a range of 0.0 to 10.0, with 0.0 representing very unsatisfied and 10.0 representing very satisfied.
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2022
The NRS (activity) score measures pain during activity. The score has a range of 0.0 to 10.0, with 0.0 representing no pain and 10.0 representing the most possible pain.
Knee » PROMs » Mean scores » EQ5D index score
FIGURE Mean pre-operative, 6 months and 12 months postoperative EQ-5D index scores of patients who underwent a TKA for osteoarthritis by NRS satisfaction score in the Netherlands in 2014-2020
TABLE Mean EQ-5D index scores
| EQ-5D Index score | Pre-operative | 6 months postoperative | 12 months postoperative | |||
| NRS satisfaction | n | Mean (95% CI) | n | Mean (95% CI) | n | Mean (95% CI) |
| Not satisfied: 0-4 | 2,038 | 0.55 (0.54-0.56) | 1,998 | 0.64 (0.63-0.65) | 2,021 | 0.61 (0.60-0.62) |
| Moderately satisfied: 5-7 | 6,240 | 0.55 (0.55-0.56) | 6,215 | 0.68 (0.68-0.69) | 6,235 | 0.69 (0.68-0.69) |
| Very satisfied: 8-10 | 20,624 | 0.59 (0.58-0.59) | 20,492 | 0.82 (0.82-0.83) | 20,558 | 0.89 (0.85-0.86) |
| Total | 31,912 | 0.58 (0.58-0.58) | 31,757 | 0.78 (0.78-0.78) | 31,501 | 0.80 (0.80-0.80) |
The NRS (satisfaction) score measures patients’ satisfaction with the outcome of after joint replacement. The score has a range of 0.0 to 10.0, with 0.0 representing very unsatisfied and 10.0 representing very satisfied.
TKA: total knee arthroplasty; CI: confidence interval.
© LROI 2022
The EQ-5D index score measures quality of life. The score has a range of -0.329 to 1.0, with 1.0 representing the best possible quality of life.
Knee » PROMs » Mean scores » EQ5D thermometer