Table 2.

Comparison of the Static Posture Stability (SPS) index scores between the two groups (points, x̅ ± s)

group	Number of cases	Baseline	Week 12	Week 24
Experimental group	132	1.75±0.43	1.58±0.26	1.44±0.18
Control group	134	1.69±0.63	1.75±0.18	1.63±0.16
t	-	3.76	5.38	5.93
P	-	0.27	0.04	0.02

Note: Significant difference as P < 0.05.