Table 2.
Multivariate generalized estimating equation (GEE) analysis of predictors of functional outcome in MSTS and TESS.
| Variablesa | MSTS | TESS | |||||
|---|---|---|---|---|---|---|---|
| Estimate | Standard error | p value (95% CI) | Estimate | Standard error | p value (95% CI) | ||
| Intercept | 29.39 | 1.84 | <0.0001 (25.78, 33.00) | 101.81 | 7.20 | <0.0001 (87.68, 115.94) | |
| Time | 0.05 | 0.01 | 0.001 (0.02, 0.08) | 0.21 | 0.06 | 0.0004 (0.09, 0.33) | |
| Age | −0.15 | 0.02 | <0.0001 (−0.21, −0.10) | −0.54 | 0.10 | <0.0001 (−0.75, −0.33) | |
| Size | −0.01 | 0.08 | 0.86 (−0.18, 0.15) | −0.13 | 0.29 | 0.64 (−0.72, 0.45) | |
| Stage group | |||||||
| Group 3 | 3 | −2.86 | 1.83 | 0.11 (−6.46, 0.73) | −10.90 | 6.53 | 0.09 (−23.72, 1.90) |
| Group 2 | 2 | −0.76 | 0.93 | 0.41 (−2.60, 1.06) | −4.50 | 3.40 | 0.18 (−11.18, 2.17) |
| Group 1 | 1 | 0 | 0 | 0 | 0 | ||
| Anatomic location | |||||||
| Trunk | 3 | 3.14 | 1.85 | 0.08 (−0.48, 6.77) | 16.90 | 8.11 | 0.03 (1.00, 32.79) |
| Lower extremity | 2 | 0.59 | 1.07 | 0.57 (−1.51, 2.71) | 0.89 | 4.34 | 0.83 (−7.62, 9.41) |
| Upper extremity | 1 | 0 | 0 | 0 | 0 | ||
| Bone resection | −6.13 | 1.24 | <0.0001 (−8.57, −3.68) | −19.28 | 4.38 | <0.0001 (−27.89, −10.68) | |
| Flap reconstruction | −0.11 | 1.00 | 0.91 (−2.08, 1.86) | 2.34 | 3.94 | 0.55 (−5.38, 10.07) | |
| Postoperative radiation | −1.14 | 1.26 | 0.36 (−3.62, 1.32) | −6.07 | 4.65 | 0.19 (−15.18, 3.04) | |
aBone resection: 0 = no, 1 = yes; flap reconstruction: 0 = yes, 1 = no; CI: confidence interval.