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Table 4 Mean SF-36 scores at one month

From: A randomised controlled trial to measure the effect of chest pain unit care upon anxiety, depression, and health-related quality of life [ISRCTN85078221]

  N (% completed) CPU care Routine care Difference 95% CI P-value ρ
     Unadjusted    
     Adjusted    
Physical functioning 654 (96.3%) 74.1 66.2 7.8 3.8 to 11.9 <0.001 0.025
     7.6 3.6 to 11.5 <0.001  
Social functioning 654 (96.3%) 74.6 67.0 7.6 3.2 to 12.0 0.001 0
     6.8 2.4 to 11.2 0.002  
Role-physical 638 (94.0%) 54.1 46.0 8.2 1.3 to 15.0 0.02 0
     7.0 0.4 to 13.6 0.039  
Role-emotional 630 (92.8%) 63.9 60.2 3.7 -3.0 to 10.5 0.281 0
     3.9 -2.8 to 10.5 0.256  
Mental health 653 (96.2%) 69.1 64.4 4.7 1.3 to 8.2 0.007 0
     5.2 1.9 to 8.6 0.002  
Vitality 649 (95.6%) 52.6 47.1 5.5 1.8 to 9.2 0.003 0
     5.8 2.2 to 9.3 0.002  
Pain index 655 (96.5%) 66.4 62.0 4.4 0.2 to 8.5 0.04 0
     4.3 0.2 to 8.3 0.041  
General health 651 (95.9%) 59.7 51.7 8.0 4.6 to 11.5 <0.001 0
     8.1 4.6 to 11.5 <0.001  
  1. Upper row shows unadjusted analysis (primary analysis) Lower row shows adjusted analysis (secondary analysis) ρ = Intraclass correlation coefficient