Table 5.
Dissatisfaction for daily life SS |
Physical component summary1 |
Mental component summary1 |
||||
β | P value | β | P value | β | P value | |
TG | ||||||
Age | -0.135 | 0.0007 | -0.160 | 0.0006 | 0.118 | 0.0141 |
Sex (male) | (0.003) | NS | (0.065) | NS | (-0.074) | NS |
Period after gastrectomy | (-0.036) | NS | (0.029) | NS | (-0.054) | NS |
Total symptoms score | 0.428 | < 0.0001 | -0.441 | < 0.0001 | -0.350 | < 0.0001 |
Change in body weight1 | (-0.001) | NS | (0.020) | NS | (-0.034) | NS |
Necessity for additional meals | 0.281 | < 0.0001 | (0.085) | 0.0653 | (-0.028) | NS |
Ability for working | 0.335 | < 0.0001 | -0.334 | < 0.0001 | -0.415 | < 0.0001 |
R2 (P value) | 0.565 | < 0.0001 | 0.434 | < 0.0001 | 0.393 | < 0.0001 |
DG | ||||||
Age | (-0.081) | 0.0001 | (-0.018) | NS | (0.081) | 0.0029 |
Sex (male) | (0.025) | NS | (0.036) | NS | (0.052) | 0.0502 |
Period after gastrectomy | (-0.027) | NS | (-0.033) | NS | (0.011) | NS |
Total symptoms score | 0.441 | < 0.0001 | -0.316 | < 0.0001 | -0.355 | < 0.0001 |
Change in body weight1 | (-0.044) | 0.0265 | (0.024) | NS | (0.006) | NS |
Necessity for additional meals | 0.139 | < 0.0001 | (0.043) | NS | (-0.019) | NS |
Ability for working | 0.377 | < 0.0001 | -0.390 | < 0.0001 | -0.289 | < 0.0001 |
R2 (P value) | 0.598 | < 0.0001 | 0.347 | < 0.0001 | 0.322 | < 0.0001 |
If β is positive, the score of the outcome measure of the patients belonging to the category in [brackets] is higher in cases when the factor is | ||||||
a nominal scale, and the score of outcome measure of the patients with larger values is higher in cases when the factor is a numeral scale. | ||||||
The interpretation of effect size | β | R2 | ||||
None-very small | < (0.100) | < (0.020) | ||||
Small | ≥ 0.100 | ≥ 0.020 | ||||
Medium | ≥ 0.300 | ≥ 0.130 | ||||
Large | ≥ 0.500 | ≥ 0.260 |
Outcome measures with1, higher score indicating better condition; outcome measures without1, higher score indicating worse condition. TG: Total gastrectomy; DG: Distal gastrectomy.