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. 2020 Feb 17;10(2):e031804. doi: 10.1136/bmjopen-2019-031804

Table 3.

Comparison of mean change (95% CI) in SF-36 scores following surgery in non-obese and obese participants

SF-36 subscale Non-obese
(n=71)
Obese
(n=138)
Difference in means
(95% CI)
P value of difference*
Physical function 16.1 (11.2 to 22.1) 23.4 (19.5 to 27.3) 6.8 (0.03 to 13.5) 0.050
Role physical 19.4 (12.4 to 26.3) 25.9 (21.2 to 30.5) 6.5 (−1.7 to 14.7) 0.121
Bodily pain 28.6 (22.8 to 34.5) 32.3 (27.8 to 36.9) 3.7 (−3.9 to 11.4) 0.337
General health 10.2 (6.0 to 14.3) 12.2 (8.4 to 16.0) 2.0 (−4.1 to 8.2) 0.516
Vitality 18.9 (14.8 to 23.1) 18.3 (14.2 to 22.4) −0.7 (−7.2 to 5.9) 0.842
Social function 23.6 (17.8 to 29.4) 21.9 (16.6 to 27.2) −1.7 (−10.2 to 6.8) 0.701
Role emotional 18.9 (12.8 to 25.0) 22.5 (17.2 to 27.8) 3.6 (−5.0 to 12.2) 0.409
Mental health 14.9 (11.4 to 18.5) 13.0 (9.2 to 16.9) −1.9 (−7.9 to 4.1) 0.532

Obesity status: non-obese (<30 kg/m2), obese (≥30 kg/m2).

*Using an independent t-test.

SF-36, Short Form-36.