Table 2.

Physical and mental component summary scores.

	V0			V1			V2			V3
	SLN group	Standard group	P-value	SLN group	Standard group	P-value	SLN group	Standard group	P-value	SLN group	Standard group	P-value
PCS
Mean	53.5	51.73	0.3258	41.49	39.42	0.1081	47.52	44.1	0.0736	50.48	48.67	0.5177
SD	7.34	9.38		8.92	10.01		9.07	9.96		8.49	10.19
MCS
Mean	41.75	39.19	0.1813	41.88	38.73	0.1275	45.75	40.5	0.0106	42.99	43.82	0.8357
SD	10.61	10.79		10.18	11.92		9.71	10.84		12.45	10.66

PCS, physical component summary score; MCS, mental component summary score.