Depression Prevalence in Neuropathic Pain and Its Impact on the Quality of Life

Table 3

Link between depression intensity and QoL.

	Depression intensity
	Absent	Light	Moderate	Intense
SF-12 physical score	36.62 ± 8.4	31.19 ± 6	33.67 ± 7.2	27.28 ± 4.2	0.001
SF-12 mental score	43.25 ± 13	37.77 ± 12	36.37 ± 7	28.55 ± 6.3	0.007
BPI	4.5 ± 1.5	5.7 ± 1.3	5.36 ± 1.2	7.7 ± 1.4	0
Activity	6.66 ± 1.95	7.5 ± 1.78	6.62 ± 2.52	7.9 ± 2.1	NS
Humour	5.85 ± 2.7	6.92 ± 2.89	6 ± 2.3	6.7 ± 3.83	NS
Walking	2.95 ± 3.8	3.71 ± 3.1	4.68 ± 3.6	8.3 ± 2.5	0.002
Steady work	6.66 ± 2.3	6.85 ± 1.8	6.68 ± 2	8.5 ± 2	NS
Relation with others	1.95 ± 3.3	2 ± 2.8	3.8 ± 2.8	6.6 ± 3.8	0.002
Sleep	5.85 ± 3	7 ± 2.6	6.31 ± 3	9.1 ± 1.7	0.039
Joy of living	2.8 ± 3	4.9 ± 3.7	3.4 ± 2.2	7 ± 2.8	NS

ANOVA; mean ± standard deviation. SF-12: Short Form 12-item survey; BPI: Brief Pain Inventory; NS: nonsignificant.