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Table 3 Total number, traumatic and overuse knee injuries for four definitions of children with GJH and controls

From: The extent and risk of knee injuries in children aged 9–14 with Generalised Joint Hypermobility and knee joint hypermobility - the CHAMPS-study Denmark

  Total number of knee injuries for controls (% of injuries in the population) Total number of knee injuries for GJH (% of injuries in the population) Traumatic knee injuries (% traumatic injuries in GJH) Overuse knee injuries (% overuse injuries in GJH)
Children with GJH on both test rounds (group 1a, n = 36) 595 (97 %) 15 (3 %) 4 (27 %) 11 (73 %)
Children with GJH and knee hypermobility on both test rounds (group 1b, n = 26) 597 (98 %) 13 (2 %) 4 (31 %) 9 (69 %)
Children with GJH in both test rounds with a fluctuation of 1 point in BT score (group 2a, n = 119) 568 (93 %) 42 (7 %) 8 (19 %) 34 (81 %)
Children with GJH on both test rounds with a fluctuation of 1 point in BT score and knee hypermobility (group 2b, n = 56) 584 (96 %) 26 (4 %) 5 (19 %) 21 (81 %)
  1. GJH = Generalised Joint Hypermobility. Group 1a) Children with a constant status of GJH, 1b) Children with a constant status of GJH and simultaneous knee hypermobility of at least one knee during at least one of the test rounds, 2a) Children as described in 1a, but including children fluctuating with one point in the BT score between test rounds, 2b) Children as described in 2a and simultaneous knee hypermobility of at least one knee during at least one of the test rounds. Values presented as absolute numbers with relative numbers in brackets