The results are summarized in Table 2. At rest, themean±SD percentages of sitting pressure on the affectedside in the intervention and non-intervention groups were43±7%, and 44±9% before intervention, respectively.There was no significant difference between the two groups(t (310)=0.89, p=0.37). Subjects in both groups showedhigher pressure on the unaffected side. After training, theintervention group increased sitting pressure to 50±7%on the affected side. However, the non-intervention groupexperienced no significant increase (45±4%). ANOVAshowed that there was a significant interaction betweenintervention and group of the sitting pressure on the affectedside at rest (F (620,1)=10.33, p<0.001). This indicates thattraining intervention increased the sitting pressure on theaffected side, suggesting that it was effective at achievingsymmetrical sitting pressure at rest.In patients with right hemiplegia (C in Table 2), pareticside sitting pressure increased after training intervention(47±6% vs. 54±2%, p<0.001). The non-intervention groupalso showed a decrease on the paretic side from 48±2% to43±4%, p<0.001), and the interaction between interventionand group was significant (F(198,1)=114.2, p<0.001). Theseresults indicate that the training intervention was effectiveat improving the symmetry of sitting pressure at rest. Inpatients with left hemiplegia, sitting pressure of the affectedside increased from 41±7% to 48±10% after training intervention,while in the non-intervention patients it increasedfrom 42±10% to 46±3%. These results showed a significantmain effect of group (F (198,1)=84.34, p<0.001), but themain effects between before and after intervention (F(198,1)=0.05, p=0.82), and interaction were not significant(F (421,1)=3.2, p=0.08).On the affected side, the sitting pressure during forwardflexion in the intervention group decreased from 43±13%to 33±17%, while the non-intervention group showed nosignificant difference between before (48±14%) and after(48±9%) the training. ANOVA revealed a significantinteraction (F (318,1)=9.3, p<0.001). This indicates thatthe intervention did not improve the sitting pressure duringforward flexion, and that patients tended to load on thenon-paretic side during forward flexion after training. Themovement angle also tended to decrease after the intervention,from 39±21° to 36±18°, and the non-interventiongroup tended to show an increase (before 38±24°, after39±19°; however, there was no significant interaction (F(331,1)=0.77, p=0.38). In right hemiplegic patients, sittingpressure of the paretic side was 47±6% before training, andit significantly increased to 48. 6% after training (p=0.04).On the other hand, the non-intervention group showed adecrease from 59.13% to 55.5%; however, no interaction wasobserved between group and intervention (F (106,1)=3.1,p=0.08).Table 2. Comparison of the results of the intervention and non-intervention groups, pre- and post-interventionA. sitting pressure (%) Intervention group Non-intervention group ANOVApre post pre post Fat rest (affected side) 43 ± 7 50 ± 7* 44 ± 9 4 ± 4 F (620,1)=21.35*flexion forward(affected side) 43 ± 13 33 ± 17* 48 ± 14 48 ± 9 F (318,1)=9.26*bending to affected side 81 ± 20 87 ± 20 75 ± 21 83 ± 17 F (169,1)=0.22bending to unaffected side 9 ± 6 2 ± 3* 16 ± 14 14 ± 16 F (165,1)=0.22B, flexing or bending angles (degree) Intervention group Non-intervention group ANOVApre post pre post Fflexion forward (affected side) 29 ± 21 36 ± 18 38 ± 24 39 ± 19 F (331,1)=0.77bending to affected side 9 ± 3 19 ± 9* 12 ± 9 11 ± 7 F (162,1)=18.98*bending to unaffected side 10 ± 3 18 ± 9* 17 ± 18 12 ± 7* F (169,1)=11.28*C. sitting pressure in right hemiplegics (%) Intervention group Non-intervention group ANOVApre post pre post Fat rest (affected side) 47 ± 6 54 ± 2* 48 ± 2 43 ± 4* F (198,1)=114.22*flexion forward (affected side) 47 ± 6 48 ± 6* 59 ± 13 55 ± 5* F (106,1)=3.10bending to affected side 90 ± 5 99 ± 1* 88 ± 15 88 ± 16 F (49,1)=1.70bending to unaffected side 11 ± 6 1 ± 1* 10 ± 14 9 ± 13 F (51.1)=1.66D.sitting pressure in left hemiplegics (%) Intervention group Non-intervention group ANOVApre post pre post Fat rest (affected side) 41 ± 7 48 ± 10* 42 ± 10 46 ± 3* F (421,1)=3.02flexion forward (affected side) 40 ± 16 22 ± 14* 44 ± 12 45 ± 9 F (209,1)=24.90*bending to affected side 76 ± 24 80 ± 22 69 ± 20 80 ± 16* F (113,1)=0.94bending to unaffected side 7 ± 6 2 ± 3* 18 ± 14 17 ± 16 F (111,1)=0.93Results of sitting pressure (A) and bending angles (B) for all subjects are shown. (C) and (D) show sitting pressures (%) ofright and left hemiplegics, respectively. Significant differences were found between pre-and post-intervention by the pairedt-test. Interaction was evaluated using ANOVA (F-value). Significant differences are shown by asterisks187In left hemiplegic patients, sittin
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