Skip to main content

Table 1 Summary of sample characteristics

From: Associations between disc space narrowing, anterior osteophytes and disability in chronic mechanical low back pain: a cross sectional study

Variable All N = 439 n ((n/N) %)
Age
 20–29 years 26 (5.92)
 30–39 years 72 (16.40)
 40–49 years 118 (26.88)
 50–59 years 141 (32.12)
 60–69 years 82 (18.68)
Gender
 Female 323 (73.58)
 Male 116 (26.42)
Radiation of pain into legs
 Yes 110 (25.10)
 No 329 (74.90)
Body mass index
 Normal (18–24.9 kg/m2) 178 (40.55)
 Overweight (25–29.9 kg/m2) 160 (36.45)
 Obese (≥30 kg/m2) 87 (19.82)
X-ray features
Disc space narrowing
 Grade 0 263 (59.91)
 Grade 1 107 (24.37)
 Grade 2 69 (15.72)
Anterior osteophytes
 Grade 0 238 (54.21)
 Grade 1 175 (39.86)
 Grade 2 26 (5.92)
Lumbar disc degeneration
 Grade 0 164 (37.36)
 Grade 1 190 (43.28)
 Grade 2 85 (19.36)
Lumbar spondylolisthesis
 Yes 51 (11.62)
 No 388 (88.38)