Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Knee Society knee score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
1 week before surgery |
|
Primary |
Knee Society knee score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
6 months post-op |
|
Primary |
Knee Society knee score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
1 year post-op |
|
Primary |
Knee Society knee score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
2 year post-op |
|
Primary |
Knee Society function score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
1 week before surgery |
|
Primary |
Knee Society function score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
6 months post-op |
|
Primary |
Knee Society function score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
1 year post-op |
|
Primary |
Knee Society function score |
Clinical and functional scores, on a 100-point scale; Knee Society score (KSS) has a "Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee conditions. "Excellent" for score 80-100, "Good" for score 70-79, "Fair" for score 60-69, "Poor" for score below 60. |
2 year post-op |
|
Primary |
Oxford Knee Score |
Clinical and functional scores |
1 week before surgery |
|
Primary |
Oxford Knee Score |
Clinical and functional scores |
6 months post-op |
|
Primary |
Oxford Knee Score |
Clinical and functional scores |
1 year post-op |
|
Primary |
Oxford Knee Score |
Clinical and functional scores |
2 year post-op |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
1 week before surgery |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
1 week before discharge |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
3 months post-op |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
6 months post-op |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
1 year post-op |
|
Primary |
Range of motion |
Evaluated using a manual goniometer |
2 year post-op |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
1 week before surgery |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
1 week before discharge |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
3 months post-op |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
6 months post-op |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
1 year post-op |
|
Primary |
Pain Visual Analog Scale (VAS) score |
The VAS is a psychometric response scale and a measurement instrument for subjective characteristics or attitudes that cannot be directly measured. The VAS pain ranges 0-10, with 10 representing the most pain. |
2 year post-op |
|
Primary |
Measurement of knee displacement |
Measure the displacement (in cm) between femoral head and tibial head on a secured computer using CT scan images and scanogram images |
1 week before surgery |
|
Primary |
Measurement of knee displacement |
Measure the displacement (in cm) between femoral head and tibial head on a secured computer using CT scan images and scanogram images |
1 year after surgery |
|