Skip to main content

Table 3 Effect of pain on QOL at 4 months: changes in SF-12 scores, mental and physical components, for patients with and without CPSP

From: Chronic pain after groin hernia repair: pain characteristics and impact on quality of life

CPSP

SF-12

Presurgical

4 mo

Difference

p valuea

Mean

(SD)

Mean

(SD)

Mean

(SD)

Yes

Physical component

42.81

(9.72)

41.10

(10.68)

−1.71

(10.09)

0.266

 

Mental component

54.00

(8.58)

50.92

(10.80)

−3.08

(8.95)

0.028

Nob

Physical component

48.37

(8.45)

48.39

(8.53)

0.03

(9.27)

0.967

 

Mental component

55.96

(8.11)

54.22

(9.19)

−1.65

(9.34)

0.001

  1. a SF-12 results were compared with the t test for normally distributed paired results when CPSP was present or the Wilcoxon test when CPSP was not present
  2. b Although all patients with CPSP completed the SF-12, the postal response rate for non-CPSP patients was only 30.9%