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Table 5 Results for testing the effects for outcome measures with respect to the factors "Hospital", "Diagnostic subgroup" as well as to the interaction term adjusted for covariates (Analysis of Covariance); - not significant, + p < 0.10, * p < 0.05, ** p < 0.01

From: Profiling quality of care for patients with chronic headache in three different German hospitals – a case study

Outcome measures Factor "Hospital" Factor "diagnostic subgroup" Interaction "Hosp. X Subgroup"
  Discharge 6-m follow-up Discharge 6-m follow-up Discharge 6-m follow-up
Pain intensity# - - * - - -
Pain affective# - - - - - -
Depression# - - + - - -
Global assessment of success ** 1,2 - * - - -
Pain disability#   -   -   -
Physical health#   +   -   -
Mental health#   +   -   -
Days with headache#   -   +   -
Days with analgetics#   -   +   -
Sense of coherence#   -   -   -
Satisfaction with health#   -   -   -
Healthy food#   -   -   -
Physical activity#   -   -   -
Coping with stress#   * 2   -   -
Using self-help#   ** 1,3   **   -
Patients satisfaction scores:       
Nurses care -   -   -  
Physicians care ** 1,2   -   -  
Other therapies ** 2,3   -   -  
Health promoting ** 2,3   -   -  
Hospital's equipment ** 1,2   -   -  
Diverse aspects *   -   -  
Information -   -   -  
Satisfaction sum score * 3   -   -  
  1. #Differences from baseline
  2. Posteriori comparisons (p < .05, Bonferroni adjusted) between hospitals: 1A-B 2B-C 3A-C