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Table 1 Demographic characteristics and frequency of diagnosis of the study population

From: Validation of a Spanish version of the Spine Functional Index

Characteristic Cases (%) Age (years) Mean (sd)
Study Population 226 45 ± 7
Male 95 (42%) 47 ± 6
Female 131 (58%) 46 ± 8
Sub-region   
Cervical 93 (41%) 46 ± 4
Thoracic 9 (4%) 39 ± 6
Lumbar 111 (49%) 50 ± 4
Multi-area 13 (6%) 46 ± 6
  1. The full sample (n = 226) completed the EQ-5D, SF12 and SFI-Sp questionnaires. The neck and multi-area participants completed the NDI (n = 106; 93 + 13).
  2. The lumbar, thoracic and multi-area participants completed the RMQ and BADIX (n = 133; 111 + 9 + 13).