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Table 4 Ability of the Laval Questionnaire to distinguish treated vs. untreated patients*

From: The laval questionnaire: a new instrument to measure quality of life in morbid obesity

 

A: Rating of change

(time 3 - time 1)

in the treated group

B: Rating of change

(time 3 - time 1)

in the untreated group

Treatment effect

(A - B)

P value

(A - B)

• Symptoms

2.1 (1.8 to 2.5)

0.3 (0.0 to 0.6)

1.8 (1.3 to 2.3)

<0.0001

• Activity/Mobility

3.2 (2.7 to 3.6)

0.2 (-0.2 to 0.6)

3.0 (2.3 to 3.6)

<0.0001

• Personal hygiene/Clothing

3.4 (2.9 to 3.8)

0.2 (-0.2 to 0.6)

3.2 (2.5 to 3.9)

<0.0001

• Emotions

2.3 (1.9 to 2.8)

0.7 (0.3 to 1.1)

1.7 (1.0 to 2.3)

<0.0001

• Social interactions

2.8 (2.3 to 3.2)

1.3 (0.0 to 2.7)

1.4 (0.3 to 2.6)

0.0132

• Sexual life

2.5 (2.0 to 3.0)

0.7 (0.2 to 1.3)

1.8 (1.0 to 2.6)

<0.0001

  1. * Results are presented as means (95% confidence intervals).
  2. † p value attached to the group differences during the study period (unpaired t-test)