Translation and validation of the Dutch Spine Oncology Study Group Outcomes Questionnaire (SOSGOQ2.0) to evaluate health-related quality of life in patients with symptomatic spinal metastases

Gal, Roxanne; van der Velden, Joanne M; Bach, Daimy C; Verlaan, Jorrit-Jan; Geuze, Ruth E; Rutges, Joost PHJ; Verkooijen, Helena M; Versteeg, Anne L

doi:10.1186/s12891-022-05837-1

Table 3 Convergent and divergent validity a of the SOSGOQ2.0 domains and Neurological function items^a

From: Translation and validation of the Dutch Spine Oncology Study Group Outcomes Questionnaire (SOSGOQ2.0) to evaluate health-related quality of life in patients with symptomatic spinal metastases

	Physical function	Pain	Mental health	Social function	Neurol. function: legs	Neurol. function: arms	Neurol. function: bowel	Neurol. function: bladder	Social function (without item 20)
SF-36
Physical functioning	0.80 (0.71–0.86)^b	0.55 (0.40–0.67)	0.36 (0.18–0.51)	0.30 (0.14–0.44)	0.61 (0.49–0.71)	0.38 (0.22–0.53)	0.20 (0.02–0.36)	0.14 (-0.02–0.30)	0.43 (0.27–0.57)
Role Physical	0.78 (0.69–0.86)^b	0.60 (0.46–0.71)	0.41 (0.25–0.55)	0.44 (0.30–0.57)	0.44 (0.29–0.58)	0.41 (0.27–0.54)	0.12 (-0.05–0.27)	0.10 (-0.06–0.27)	0.57 (0.43–0.68)
Bodily pain	0.67 (0.55–0.77)	0.82 (0.75–0.87)^b	0.42 (0.25–0.56)	0.47 (0.34–0.58)	0.35 (0.20–0.49)	0.45 (0.30–0.58)	0.12 (-0.05–0.27)	0.04 (-0.12–0.21)	0.62 (0.50–0.72)
General health	0.48(0.34–0.60)	0.37 (0.19–0.51)	0.41 (0.26–0.55)	0.19 (0.03–0.34)	0.25 (0.08–0.40)	0.34 (0.20–0.48)	-0.03 (-0.18–0.12)	0.06 (-0.09–0.22)	0.34 (0.16–0.49)
Vitality	0.64 (0.51–0.74)	0.61 (0.49–0.71)	0.56 (0.43–0.67)	0.31 (0.17–0.44)	0.31 (0.15–0.45)	0.42 (0.28–0.56)	0.03 (-0.13–0.19)	0.13 (-0.03–0.29)	0.50 (0.36–0.61)
Social functioning	0.59 (0.44–0.71)	0.53 (0.39–0.64)	0.46 (0.32–0.61)	0.37 (0.21–0.51)^b	0.25 (0.09–0.41)	0.32 (0.16–0.47)	0.11 (-0.05–0.26)	0.15 (-0.01–0.34)	0.54 (0.39–0.67)^b
Role Emotional	0.48 (0.32–0.62)	0.45 (0.28–0.58)	0.53 (0.39–0.65)^b	0.19 (0.02–0.35)	0.26 (0.10–0.43)	0.19 (0.03–0.34)	0.17 (0.00–0.33)	0.17 (0.00–0.34)	0.41 (0.26–0.55)
Mental Health	0.50 (0.36–0.63)	0.52 (0.38–0.65)	0.71 (0.59–0.79)^b	0.23 (0.07–0.37)	0.19 (0.02–0.35)	0.25 (0.09–0.39)	0.11 (-0.08–0.27)	0.11 (-0.05–0.27)	0.46 (0.31–0.58)
Pain NRS
Average daily pain	-0.56 (-0.68–0.42)	-0.86 (-0.90–0.80)^b	-0.38 (-0.52–0.22)	-0.38 (-0.51–0.23)	-0.38 (-0.51–0.22)	-0.38 (-0.51–0.24)	-0.17 (-0.32–0.02)	-0.15 (-0.32–0.02)	-0.57 (-0.67–0.44)

Abbbreviations: Neurol. Neurological, NRS Numeric Rating Scale, SF-36 36-item Short Form Survey
^aSpearman’s rank correlation coefficient (95%CI); r_s <0.30 = small, r_s 0.30-0.49 = medium, r_s >0.50 = large
^bHypothesized that domains measure the same construct

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