Effect of osteoarthritis and its surgical treatment on patients’ quality of life: a longitudinal study

Mezey, Gyöngyi Anna; Paulik, Edit; Máté, Zsuzsanna

doi:10.1186/s12891-023-06662-w

BMC Musculoskeletal Disorders

Table 5 Sub-group results of the disease-specific QOL assessment

From: Effect of osteoarthritis and its surgical treatment on patients’ quality of life: a longitudinal study

		WOMAC
		Pain			Stiffness			Physical function			Total score
		Preop	Postop	Sig	Preop	Postop	Sig	Preop	Postop	Sig	Preop	Postop	Sig
		mean ± SD	mean ± SD		mean ± SD	mean ± SD		mean ± SD	mean ± SD		mean ± SD	mean ± SD
Gender				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	Male	55.56 ± 22.97	26.67 ± 20.87	p_i = 0.988	61.62 ± 21.64	27.16 ± 20.09	p_i = 0.228	60.91 ± 17.49	32.80 ± 22.13	p_i = 0.813	59.98 ± 17.56	30.84 ± 21.23	p_i = 0.714
	Female	57.70 ± 21.47	28.73 ± 20.97	p_i = 0.988	57.93 ± 21.15	30.85 ± 23.66	p_i = 0.228	61.42 ± 18.41	34.56 ± 20.02	p_i = 0.813	60.28 ± 17.68	33.08 ± 19.28	p_i = 0.714
Age groups				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	< 65	58.65 ± 19.97	24.39 ± 19.13	p_i = 0.244	65.97 ± 20.22	23.39 ± 18.64	p_i = 0.005	63.45 ± 16.85	28.18 ± 17.08	p_i = 0.050	62.66 ± 16.40	26.99 ± 16.70	p_i = 0.050
	≥ 65	56.45 ± 22.61	29.44 ± 21.42	p_i = 0.244	56.65 ± 21.23	31.93 ± 23.52	p_i = 0.005	60.50 ± 18.49	36.05 ± 21.42	p_i = 0.050	59.29 ± 17.97	34.34 ± 20.54	p_i = 0.050
Level of education				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	Lower	63.81 ± 24.16	31.19 ± 22.05	p_i = 0.604	63.98 ± 24.63	32.61 ± 25.71	p_i = 0.866	68.60 ± 17.35	38.26 ± 21.16	p_i = 0.514	67.40 ± 17.96	35.75 ± 21.02	p_i = 0.445
	Middle	52.82 ± 19.16	26.14 ± 20.17		55.67 ± 18.11	27.44 ± 20.77		59.24 ± 14.47	32.16 ± 20.05		57.37 ± 14.22	30.58 ± 18.90
	Higher	53.73 ± 20.56	26.60 ± 20.37		57.00 ± 19.68	28.83 ± 20.50		53.78 ± 20.29	30.66 ± 20.26		54.31 ± 18.66	30.39 ± 19.54
Job profile				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	Manual	62.12 ± 23.82	28.35 ± 20.41	p_i = 0.114	63.80 ± 23.63	29.26 ± 23.16	p_i = 0.096	67.81 ± 15.71	34.99 ± 19.79	p_i = 0.037	66.42 ± 16.70	32.56 ± 19.37	p_i = 0.024
	Non-manual	52.91 ± 19.37	27.88 ± 21.40	p_i = 0.114	55.15 ± 18.39	30.08 ± 22.28	p_i = 0.096	55.90 ± 18.18	33.22 ± 21.37	p_i = 0.037	55.20 ± 16.74	32.25 ± 20.35
Affected joint				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	Knee	56.48 ± 23.07	34.41 ± 23.54	p_i = 0.019	58.04 ± 20.51	36.95 ± 25.11	p_i = 0.010	59.84 ± 17.84	39.14 ± 23.44	p_i = 0.011	58.85 ± 17.57	37.96 ± 22.78	p_i = 0.007
	Hip	57.52 ± 20.95	22.58 ± 16.55	p_i = 0.019	60.00 ± 22.07	23.25 ± 17.94	p_i = 0.010	62.50 ± 18.29	29.53 ± 16.71	p_i = 0.011	61.37 ± 17.62	27.45 ± 15.36	p_i = 0.007
Comorbidity				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	Reported	59.93 ± 20.47	36.97 ± 25.09	p_i = 0.209	54.14 ± 21.38	37.59 ± 27.21	p_i = 0.010	61.98 ± 18.73	39.63 ± 23.21	p_i = 0.245	61.38 ± 17.85	39.87 ± 22.49	p_i = 0.136
	Not reported	56.07 ± 22.34	25.13 ± 18.50	p_i = 0.209	60.67 ± 21.12	27.17 ± 20.42	p_i = 0.010	61.02 ± 17.93	32.14 ± 19.45	p_i = 0.245	59.79 ± 17.56	29.92 ± 18.36
BMI (kg/m²) category				p_c < 0.001			p_c < 0.001			p_c < 0.001			p_c < 0.001
	18.5–24.9	66.11 ± 19.35	22.82 ± 17.90	p_i = 0.017	55.00 ± 21.29	25.88 ± 20.93	p_i = 0.088	58.27 ± 22.96	28.27 ± 15.23	p_i = 0.127	59.63 ± 20.13	26.94 ± 15.46	p_i = 0.074
	25.0–29.9	55.06 ± 22.94	20.75 ± 14.96		61.43 ± 19.95	22.71 ± 17.63		61.68 ± 16.20	27.84 ± 17.83		60.29 ± 16.77	25.44 ± 15.42
	≥ 30.0	55.67 ± 21.69	32.93 ± 22.79		58.88 ± 22.08	34.33 ± 24.38		61.79 ± 17.84	38.79 ± 22.11		60.27 ± 17.54	37.20 ± 21.52

p_c: p value for both group’s combined change; p_i: p value of group interaction

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