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Table 3 Average age of SN-affected patients

From: Lumbar spine Schmorl's nodes; prevalence in adults with back pain, and their relation to vertebral endplate degeneration

Age group (years)SNTotal
PresentNot present
>  404 (1.2%)82 (25.3%)86 (26.5%)
40–5938 (11.7%)124 (38.3%)162 (50.1%)
<  6030 (9.3%)46 (14.2%)76 (23.4%)
Total72 (22.2%)252 (77.8%)324 (100%)
  1. P < 0.0001 using chi-square test
  2. SN Schmorl’s node