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Table 1 Demographic Data

From: Substantive molecular and histological changes within the meniscus with tears

  Group A (normal meniscus) Group B (meniscal tear) Group C (meniscal tear and ACL tear)
All patients
 Males 4 3 4
 Females 2 4 3
 Total 6 7 7
 Mean age (range) (years) 21.5 (16–26) 22.4 (16–38) 27.4 (17–34)
 BMI (range) (kg/m2) 20.8 (18.5–22.5) 22.7 (19.6–25.3) 23.3 (20.6–26.7)
 Time interval from injury to surgery (months) NA 12.3 (3–24) 11.7 (3–18)
Outerbridge classification system
 Grade 0 4 1 1
 Grade I 2 5 3
 Grade II 0 1 3
Type of meniscal tear
 Radial NA 2 3
 Flap NA 3 1
 Longitudinal and flap NA 1 2
 Horizontal and flap NA 1 1
Location of meniscal tear
 Medial posterior horn NA 3 2
 Lateral posterior horn NA 1 2
 Medial middle portion NA 0 2
 Lateral middle portion NA 1 0
 Medial posterior horn and middle portion NA 2 1
  1. ACL: anterior cruciate ligament. BMI: body mass index