Parameters | VR group (n = 15) | Standardized exercise group (n = 15) | F (P-value) for time factor | F (P-value) for group X time factor | ||||
---|---|---|---|---|---|---|---|---|
Pre-intervention | Post-intervention | Mean difference | Pre-intervention | Post-intervention | Mean difference | |||
Posturography- eyes open | Â | Â | Â | Â | Â | Â | Â | Â |
 CoP path length (mm) | 345.3 (76.2) | 290.5 (105.3) | −54.8 (52.4) | 313.5 (89.5) | 272.9 (78.4) | −40.6 (32.9) | 5.278 (0.024)* | 1.569 (0.226) |
 Sway rate (mm/s) | 17.0 (6.3) | 13.0 (6.5) | −3.0 (3.4) | 16.1 (6.3) | 12.6 (4.4) | −3.5 (3.4) | 5.852 (0.035)* | 0.997 (0.232) |
 Ellipse sway area (mm2) | 309.0 (116.3) | 319.8 (130.5) | 10.8 (74.2) | 309.0 (116.3) | 319.8 (130.5) | 10.8 (74.2) | 0.754 (0.872) | 0.659 (0.624) |
 Pressure distribution difference (%) | 9.4 (7.4) | 9.5 (6.3) | 0.1 (6.1) | 9.4 (7.4) | 9.5 (6.3) | 0.1 (6.1) | 0.076 (0.984) | 0.085 (0.892) |
Posturography- eyes closed | Â | Â | Â | Â | Â | Â | Â | Â |
 CoP path length (mm) | 392.3 (112.3) | 333.1 (156.4) | −59.2 (98.0) | 376.1 (102.9) | 343.2 (146.9) | 32.9 (102.4) | 1.023 (0.189) | 0.067 (0.348) |
 Sway rate (mm/s) | 20.1 (15.3) | 18.4 (9.8) | −1.7 (7.7) | 22.4 (12.4) | 18.9 (11.8) | −3.5 (8.0) | 0.921 (0.239) | 0.910 (0.296) |
 Ellipse sway area (mm2) | 378.3 (109.5) | 342.5 (100.5) | −35.8 (94.2) | 363.3 (99.1) | 338.8 (109.4) | −24.5 (72.1) | 1.351 (0.137) | 0.004 (0.981) |
 Pressure distribution difference | 9.9 (7.9) | 10.3 (8.3) | 0.4 (5.1) | 9.6 (7.1) | 10.7 (6.3) | 1.1 (5.9) | 0.045 (0.887) | 0.019 (0.675) |
Clinical balance tests | Â | Â | Â | Â | Â | Â | Â | Â |
 FRT (cm) | 30.1 (5.0) | 34.8 (6.9) | 4.8 (4.1) | 27.6 (6.4) | 30.2 (4.9) | 2.6 (3.2) | 20.481 (0.001)* | 10.173 (0.009)* |
 BBT | 46.8 (9.6) | 47.9 (6.4) | 1.1 (4.2) | 43.3 (7.1) | 44.6 (4.9) | 1.3 (5.2) | 1.541 (0.215) | 1.794 (0.561) |
 FSST (s) | 16.2 (7.0) | 12.7 (6.4) | −4.5 (5.0) | 14.2 (7.1) | 11.7 (5.9) | −3.5 (6.1) | 9.011 (0.031)* | 1.250 (0.361) |
 FES-I questionnaire | 36.4 (9.7) | 29.4 (7.8) | −7.0 (4.3) | 32.9 (10.3) | 28.6 (5.8) | −4.3 (6.3) | 17.815 (0.023)* | 6.710 (0.021)* |