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. 2026 Jan 14;85:104700. doi: 10.1016/j.breast.2026.104700

Table 2.

Test statistics for all MFI fatigue scales and EORTC C30 QLQ fatigue symptom scale.

Sum Sq Mean Sq DF DenDF F value p value
General fatigue
Time (months) 1117.882 139.735 8 4662.263 16.406 0.000
Class of chemotherapy 16.188 16.188 1 1283.881 1.901 0.168
Age 311.433 311.433 1 1181.048 36.565 0.000
BMI category 380.133 190.067 2 1137.341 22.315 0.000
Time x Class of chemotherapy 193.230 24.154 8 4662.236 2.836 0.004
Physical fatigue
Time (months) 1687.723 210.965 8 4665.682 24.696 0.000
Class of chemotherapy 0.508 0.508 1 1273.964 0.059 0.807
Age 56.102 56.102 1 1166.727 6.567 0.011
BMI category 747.494 373.747 2 1121.093 43.752 0.000
Time x Class of chemotherapy 244.151 30.519 8 4665.651 3.573 0.000
Mental fatigue
Time (months) 151.570 18.946 8 4648.704 2.632 0.007
Class of chemotherapy 0.136 0.136 1 1281.729 0.019 0.891
Age 266.440 266.440 1 1184.971 37.014 0.000
BMI category 85.767 42.884 2 1143.901 5.957 0.003
Time x Class of chemotherapy 92.263 11.533 8 4648.683 1.602 0.119
Reduced activity
Time (months) 1532.434 191.554 8 4673.488 22.748 0.000
Class of chemotherapy 1.687 1.687 1 1282.075 0.200 0.655
Age 3.599 3.599 1 1173.660 0.427 0.513
BMI category 459.779 229.890 2 1127.504 27.301 0.000
Time x Class of chemotherapy 126.519 15.815 8 4673.456 1.878 0.059
Reduced motivation
Time (months) 394.717 49.340 8 4669.558 7.818 0.000
Class of chemotherapy 1.598 1.598 1 1281.711 0.253 0.615
Age 48.673 48.673 1 1174.903 7.712 0.006
BMI category 180.846 90.423 2 1129.455 14.328 0.000
Time x Class of chemotherapy 56.460 7.057 8 4669.527 1.118 0.347
C30 Fatigue symptom scale
Time (months) 137913.458 15323.718 9 5400.209 63.171 0.000
Class of chemotherapy 42.372 42.372 1 1258.261 0.175 0.676
Age 5459.736 5459.736 1 1166.595 22.508 0.000
BMI category 5413.657 2706.828 2 1124.543 11.159 0.000
Time x Class of chemotherapy 5565.100 618.344 9 5400.110 2.549 0.006

Abbreviations: Sum Sq: sum of squares, Mean Sq: mean of the sum of squares; Df: degrees of freedom; DenDF: denominator degrees of freedom.