Not all questions are created equal: the weight of the Oxford Knee Scores questions in a multicentric validation study

Luger, Matthias; Schopper, Clemens; Krottenthaler, Eliana S.; Mahmoud, Mahmoud; Heyse, Thomas; Gotterbarm, Tobias; Klasan, Antonio

doi:10.1186/s10195-023-00722-6

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Regression coefficient B and p-values for the regression models for each question of the OKS and age, gender, height, weight, BMI, stairs, driving, use of walking aids, working status, and previous knee surgeries

From: Not all questions are created equal: the weight of the Oxford Knee Scores questions in a multicentric validation study

OKS		Age	Gender	Height	BMI	Stairs	Driving	Walking aids	Working	Previous surgery
Q1	B	−0.013	0.301	0.002	−0.003	0.014	0.126	0.145	0.146	−0.059
	p-Value	0.009	0.015	0.796	0.757	0.945	0.346	0.263	0.291	0.601
Q2	B	−0.010	0.387	0.009	−0.002	0.100	−0.040	−0.174	0.179	0.086
	p-Value	0.013	0.001	0.171	0.763	0.542	0.705	0.092	0.104	0.338
Q3	B	−0.012	0.146	−0.002	0.003	−0.236	0.707	−0.034	0.098	0.164
	p-Value	0.053	0.367	0.802	0.777	0.295	< 0.001	0.812	0.531	0.181
Q4	B	−0.013	0.347	0.022	0.001	−0.126	0.496	0.055	0.059	0.022
	p-Value	0.041	0.046	0.015	0.947	0.600	0.002	0.714	0.724	0.869
Q5	B	−0.013	0.242	0.006	−0.008	−0.020	0.285	−0.034	−0.108	0.077
	p-Value	0.009	0.094	0.400	0.444	0.921	0.031	0.789	0.422	0.480
Q6	B	−0.016	0.385	0.004	−0.023	−0.008	0.334	0.024	0.211	0.245
	p-Value	0.011	0.031	0.676	0.064	0.972	0.037	0.879	0.200	0.066
Q7	B	−0.011	0.089	0.004	−0.025	−0.252	0.394	−0.248	−0.076	0.162
	p-Value	0.099	0.648	0.711	0.064	0.354	0.027	0.147	0.680	0.275
Q8	B	−0.009	0.064	-0.003	−0.002	0.009	−0.050	−0.141	0.197	0.127
	p-Value	0.037	0.590	0.664	0.840	0.956	0.646	0.175	0.078	0.158
Q9	B	−0.008	0.345	0.013	−0.008	−0.090	0.269	0.080	0.103	0.126
	p-Value	0.070	0.004	0.041	0.344	0.590	0.014	0.448	0.361	0.168
Q10	B	−0.015	0.241	0.001	−0.010	−0.223	0.301	0.017	0.019	0.192
	p-Value	< 0.001	0.050	0.907	0.251	0.193	0.007	0.872	0.866	0.040
Q11	B	−0.006	0.304	0.007	−0.006	−0.113	0.160	−0.198	0.123	0.217
	p-Value	0.187	0.019	0.324	0.488	0.529	0.173	0.081	0.310	0.028
Q12	B	−0.010	0.217	0.006	−0.009	0.470	0.240	−0.066	0.060	0.224
	p-Value	0.025	0.088	0.344	0.317	0.008	0.038	0.550	0.613	0.021

Bold values indicate signifiacant p-values

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