Journal of Orthopaedic Surgery and Research

Table 3 Hip disability and Osteoarthritis Outcome Score (HOOS)

From: Prospective randomized controlled study on improving sleep quality and impact of zolpidem after total hip arthroplasty

	Control group	Treatment group	P value
Symptoms
Pre-operation	19.31 ± 3.42	19.06 ± 3.23	0.635
Post-operation
3 weeks	14.68 ± 3.49	10.36 ± 3.23	< 0.001
3 months	10.31 ± 3.33	8.36 ± 3.23	< 0.001
Pain
Pre-operation	26.43 ± 5.32	26.06 ± 5.07	0.649
Post-operation
3 weeks	20.00 ± 5.37	16.06 ± 5.67	< 0.001
3 months	13.62 ± 5.53	11.06 ± 5.07	0.0027
Activities of daily living
Pre-operation	44.68 ± 9.31	44.43 ± 9.23	0.8648
Post-operation
3 weeks	34.81 ± 8.58	25.43 ± 9.23	< 0.001
3 months	22.56 ± 7.28	16.43 ± 9.23	< 0.001
Sport/Recreation
Pre-operation	21.00 ± 2.38	20.75 ± 2.29	0.5002
Post-operation
3 weeks	17.50 ± 2.41	14.75 ± 2.29	< 0.001
3 months	13.93 ± 2.31	11.75 ± 2.29	< 0.001
Quality of life
Pre-operation	12.750 ± 1.307	12.43 ± 1.28	0.1288
Post-operation
3 weeks	10.31 ± 1.26	8.03 ± 1.28	< 0.001
3 months	7.81 ± 1.43	6.83 ± 1.28	< 0.001

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ISSN: 1749-799X

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