Effects of vitamin D supplementation on the functional outcome in patients with osteoporotic vertebral compression fracture and vitamin D deficiency

Table 4 Correlation between S group and NS group in SF-36 PCS and SF-36 MCS

Period	QoL	S group (n = 65)	NS group (n = 65)	P for group differences
Initial^a	SF-36 PCS	18.69 ± 18.18	19.63 ± 15.30	0.894
Initial^a	SF-36 MCS	27.59 ± 22.19	22.34 ± 20.66	0.571
6 mon^b	SF-36 PCS	33.16 ± 19.17	32.62 ± 25.20	0.960
6 mon^b	SF-36 MCS	46.00 ± 21.75	52.64 ± 25.47	0.546
12 mon^c	SF-36 PCS	50.87 ± 24.06	49.52 ± 26.75	0.908
12 mon^c	SF-36 MCS	59.44 ± 19.40	54.66 ± 18.76	0.567
P for time differences	SF-36 PCS	a < b < c (< 0.05)*	a < b < c (< 0.05)*
P for time differences	SF-36 MCS	a < b < c (< 0.05)*	a < b (< 0.001)* a < c (< 0.001)* b < c (0.662)

Source		Group	Time	Time × group
P value	SF-36 PCS	0.973	< 0.001	0.934
P value	SF-36 MCS	0.901	< 0.001	0.093

Data were expressed as mean ± standard deviation
S group, supplementation group; NS group, non-supplementation group; QoL, quality of life; SF-36, short form 36; PCS, physical component score; MCS, mental component score
^aInitial
^b6 Months
^c12 Months
^*Statistically significant with p < 0.05

ISSN: 1749-799X