Evaluation and Validation of a Joint Stress Test to Induce Activity-Related Knee Joint Discomfort — a Prospective Case-Control Study

Sports Medicine - Open

Table 2 Baseline data for ROM, reach test and KOOS subscales

Parameters	Healthy (n = 15)		ArJD (n = 15)		OA (n = 15)
Parameters	Mean	95% CI	Mean	95% CI	Mean	95% CI
Reach test	1.022	0.949 to 1.095	0.984	0.911 to 1.056	0.821	0.761 to 0.881
ROM active [°]	132.9	126.9 to 138.9	129.2	123.6 to 134.8	117.0	107.8 to 126.2
ROM passive [°]	151.9	146.4 to 157.3	147.7	140.7 to 154.8	127.3	116.1 to 138.5
KOOS subscales
Pain	100.0	100.0 to 100.0	86.0	80.4 to 91.7	65.0	55.9 to 74.1
Symptoms	97.3	95.3 to 7.2	88.5	81.4 to 95.7	68.5	58.8 to 78.1
ADL	99.9	99.7 to 100.1	96.1	92.6 to 99.7	77.1	67.4 to 86.7
Sport/Rec	99.7	99.0 to100.4	78.0	71.7 to 84.4	45.3	33.2 to 57.5
QOL	100.0	100.0 to 100.0	69.2	61.1 to 77.3	42.6	34.5 to 50.7

Values are means (95% CI). Abbreviations: ArJD activity-related joint discomfort, OA osteoarthritis, ROM range of motion, ADL activity in daily living, Sport/Rec sport and recreation, QOL quality of life.