Sleep Status and Quality of Life in Patients with Frozen Shoulder

Chul-Hyun Cho; Sung-Won Jung; Eun-Seok Son; Il-Seon Hwang

doi:10.4055/jkoa.2012.47.3.205

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Cho, Jung, Son, and Hwang: Sleep Status and Quality of Life in Patients with Frozen Shoulder

Original Article

Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2012; 47(3): 205-210.

Published online: 26 June 2012

DOI: https://doi.org/10.4055/jkoa.2012.47.3.205

Sleep Status and Quality of Life in Patients with Frozen Shoulder

Chul-Hyun Cho, M.D., Ph.D., Sung-Won Jung, M.D.^*, Eun-Seok Son, M.D., Il-Seon Hwang, M.D.

Department of Orthopedic Surgery, Pain Research Center, Keimyung University School of Medicine, Daegu, Korea.

^*Department of Psychiatry, Keimyung University School of Medicine, Daegu, Korea.

Correspondence to: Chul-Hyun Cho, M.D., Ph.D. Department of Orthopedic Surgery, Dongsan Medical Center, Keimyung University School of Medicine, 56, Dalseong-ro, Jung-gu, Daegu 700-712, Korea. TEL: +82-53-250-7729, FAX: +82-53-250-7205, oscho5362@dsmc.or.kr

Received 22 July 2011 Revised 28 August 2011 Accepted 6 October 2011

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

The aims of this study were to assess sleep status and quality of life (QOL) in patients with frozen shoulder and to evaluate correlations between pain, disability, sleep disturbance and QOL.

Materials and Methods

Thirty patients with idiopathic frozen shoulder and 60 healthy controls were enrolled into this study. Participants were evaluated using the following: visual analogue scale (VAS), American Shoulder and Elbow Surgeon's Score (ASES), Korean Shoulder Score (KSS), Pittsburg Sleep Quality Index (PSQI), and World Health Organization Quality of Life Scale Abbreviated Version (WHOQOL-BREF).

Results

The mean VAS, ASES, and KSS scores in patient groups were 6.5, 40.3, and 45.1, respectively. The mean PSQI score was 8.6 in the patient group and 4.1 in the control group. Patient groups had significantly higher scores than the control group for the PSQI score (p<0.05). The incidence of sleep disturbance was 86.7%. The mean WHOQOL-BLEF score was 77.6 in the patient group and 93.6 in the control group. The patient group was significantly lower than the control group in the WHOQOL-BLEF score (p<0.05). There were no statistically significant correlations with PSQI and WHOQOL-BLEF scores regarding duration of symptoms, VAS, ASES, and KSS scores (p>0.05). The ASES score had a positive correlation with physical health domain and KSS score had a positive correlation with overall QOL and physical health domain of the WHOQOL-BLEF (p<0.05).

Conclusion

Patients with frozen shoulder had noticeable pain and functional disability. Furthermore, they had significant incidence of sleep disturbance and had a significantly lower QOL.

Keywords: frozen shoulder, sleep disturbance, quality of life

Figures and Tables

Table 1

Demographic Characteristics

Values are presented as mean±standard deviation or n (%). ^*The difference was statistically significant (p<0.05); ^†Missing data excluded. VAS, visual analogue scale; ASES, American Shoulder and Elbow Surgeon's Score; KSS, Korean Shoulder Score.

Table 2

Comparison of Sleep Status and QOL between Patient Group and Control Group

Values are presented as mean±standard deviation. ^*The difference was statistically significant (p<0.05). QOL, quality of life; PQSI, Pittsburg Sleep Quality Index; WHOQOL-BLEF, World Health Organization Quality of Life Scale Abbreviated Version.

Table 3

Comparison of Sleep Disturbance between Patient Group and Control Group

Values are presented as n (%).

Table 4

Correlations of Various Parameters with PSQI, and WHOQOL-BLEF

PSQI, Pittsburg Sleep Quality Index; WHOQOL-BLEF, World Health Organization Quality of Life Scale Abbreviated Version; VAS, visual analogue scale; ASES, American Shoulder and Elbow Surgeon's Score; KSS, Korean Shoulder Score.

Table 5

Correlations of Various Parameters with WHOQOL-BLEF Domains

^*The difference was statistically significant (p<0.05). WHOQOL-BLEF, World Health Organization Quality of Life Scale Abbreviated Version; QOL, quality of life; VAS, visual analogue scale; ASES, American Shoulder and Elbow Surgeon's Score; KSS, Korean Shoulder Score.

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