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Table 1 Sociodemographic and medical characteristics of the patients (N = 277) in relation to the number of BTcP

From: Prevalence and characteristics of breakthrough cancer pain in an outpatient clinic in a Catalan teaching hospital: incorporation of the Edmonton Classification System for Cancer pain into the diagnostic algorithm

  Total
(n = 277)
BTcP p b
BTcP (1 type)
N = 138
BTcP (> 1 type)
N = 139
Age (years)a 68.2 ± 13 70.4 ± 13 66 ± 12 0.002
Gender (men) (%) 67.9 73.2 62.6 0.059
Civil Status (%)     0.854
 Married/couple 71.1 69.6 72.7  
 Single 6.5 5.8 7.2  
 Separated/divorced 7.6 8 7.2  
 Widowed 10.8 11.6 10.1  
 Missing 4 5.1 2.9  
Type tumor (%)     0.508
 Lung 31 31.2 30.9  
 Upper digestive 19.9 21 18.7  
 Lower digestive 19.1 18.8 19.4  
 Ear-Nose and Throat 8.7 10 7.2  
 Genitourinary male 8.7 6.5 10.8  
 Genitourinary female 4 2.2 5.8  
 Other 8.7 10.1 7.2  
Metastatic disease (%) 83 75.4 90.6 0.001
Pfeiffer Testa 0.8 ± 1 0.9 ± 1 0.6 ± 1 0.068
Barthel Testa 87 ± 17 87 ± 18 87 ± 15 0.409
PPSv2 Testa 64 ± 12 64 ± 12 63 ± 11 0.131
Pain features     
 Addictive 29.2 34.8 23.7 0.043
 Psychological 40.8 34.1 47.5 0.023
Number of BTcP typesa 1.75 ± 0.9    
  1. amean ± standard deviation
  2. bComparison between groups with the χ2 test and for continuous variables with the Mann-Whitney test