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Table 2 Characteristics of episodes of incidental pain (n = 488) according to intensity (maximum VAS ≥ 7)

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

 

SAMPLE

(n = 488)

VAS MAX < 7

(n = 305)

VAS MAX ≥ 7

(n = 183)

p b

Due to Tumour

93,0

91,8

95,1

0,168

Due to treatment

8,0

8,5

7,1

0,575

Volitional

36,3

36,7

35,5

0,789

Non volitional

63,7

64,1

35,9

0,618

Neuropathic condition

50,0

45,4

63,0

0,001

∑NIPAC

2,2 ± 1

2,2 ± 1

2,3 ± 1

0,044

Type tumor

   

0,007

 Lung

31,6

35,4

25,1

 

 Upper digestive

18,0

18,7

16,9

 

 Lower digestive

20,1

20,3

19,7

 

 ENT

7,6

6,9

8,7

 

 Genitourinary male

8,4

8,9

7,7

 

 Genitourinary female

5,1

4,3

6,7

 

 Other

9,2

5,6

15,3

 
  1. Values as percentage
  2. amean ± standard deviation
  3. bComparison between groups with the de χ2 test and for continuous variables with the Mann-Whitney test