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Table 2 Stratified analysis of the prevalence of chronic and non-chronic low back pain

From: A cross-sectional hospital-based study of correlates of disability in patients with chronic low back pain in KwaZulu-Natal, South Africa

Age category Non-Chronic Low Back Pain (n = 431) Chronic Low Back Pain (n = 123)
Mean OSD ± SD (n) (%) 95% CI Mean OSD ± SD (n) (%) 95% CI
18 – 27 44.8 ± 9.2 13 3.0 1.6 – 5.1 49.7 ± 13.8 6 4.9 1.8 – 10.3
28 – 37 39.4 ± 10.0 90 20.9 17.1 – 25.0 43.9 ± 10.3 21 17.1 10.9 – 24.9
38 – 47 39.1 ± 10.8 141 32.7 28.3 – 37.4 44.7 ± 10.1 35 28.5 20.7 – 37.3
48 – 57 41.8 ± 10.2 129 29.9 25.6 – 34.5 45.4 ± 12.1 34 27.6 19.7 – 36.5
58 +  38.8 ± 11.3 58 13.5 10.4 – 17.1 45.1 ± 12.6 27 22.0 14.9 – 30.3