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Table 1 Demographics and pain characteristics of 93 patients with low back pain given as numbers or percentages or means [SD]

From: Genetic contribution of catechol-O-methyltransferase variants in treatment outcome of low back pain: a prospective genetic association study

Treatment Lumbar fusion Cognitive-exercises
Number of patients 60 33
Gender (M/F) 20/40 15/18
Age at follow-up, years 52.3 [8.0] 51.1 [8.0]
Baseline ODI 46.0 [11.8] 40.6 [8.5]
Follow-up ODI 23.8 [18.6] 24.6 [15.9]
Change in ODI - 22.2 [23.0] −16 [15.4]
BaselineVAS LBP 63.4 [14.6] 60.6 [11.6]
Follow-up VAS LBP 35.6 [27.0] 41.8 [22.1]
Change in VAS LBP - 27.8 [29.2] −18.8 [23.2]
Percentage patients taking daily analgesics at follow-up 51 24
Percentage patients reported moderate to severe anxiety and depression at follow-up 31 35