Skip to main content

Advertisement

Table 4 Pittsburgh Sleep Quality Index (PSQI)

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

  Control group Treatment group P value
Sleep quality
 Pre-operation 1.25 ± 0.43 1.18 ± 0.39 0.3421
 Post-operation    
 3 weeks 1.62 ± 0.48 0.68 ± 0.54 < 0.001
 3 months 1.06 ± 0.43 0.53 ± 0.55 < 0.001
Sleep latency
 Pre-operation 1.93 ± 0.75 1.87 ± 0.70 0.5872
 Post-operation    
 3 weeks 2.06 ± 0.55 1.33 ± 0.55 < 0.001
 3 months 1.68 ± 0.46 1.03 ± 0.63 < 0.001
Sleep duration
 Pre-operation 1.68 ± 0.46 1.62 ± 0.48 0.4085
 Post-operation    
 3 weeks 2.18 ± 0.39 1.56 ± 0.49 < 0.001
 3 months 1.62 ± 0.48 1.12 ± 0.33 < 0.001
Sleep efficiency
 Pre-operation 1.12 ± 0.33 0.75 ± 0.43 < 0.001
 Post-operation    
 3 weeks 1.81 ± 0.63 1.06 ± 0.24 < 0.001
 3 months 0.75 ± 0.56 0.68 ± 0.46 0.4454
Sleep disturbance
 Pre-operation 1.25 ± 0.43 1.18 ± 0.39 0.3421
 Post-operation    
 3 weeks 1.81 ± 0.63 1.43 ± 0.61 < 0.001
 3 months 0.87 ± 0.60 0.68 ± 0.58 0.0480
Hypnotic medicine
 Pre-operation 0.25 ± 0.43 0.18 ± 0.39 0.3421
 Post-operation    
 3 weeks 1.31 ± 0.58 0.62 ± 0.700 < 0.001
 3 months 0.31 ± 0.58 0.18 ± 0.39 0.1153
Daytime dysfunction
 Pre-operation 0.93 ± 0.55 0.93 ± 0.66 1.000
 Post-operation    
 3 weeks 1.68 ± 0.58 0.81 ± 0.63 < 0.001
 3 months 0.81 ± 0.53 0.56 ± 0.49 0.0025