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. Author manuscript; available in PMC: 2014 Sep 25.
Published in final edited form as: Osteoarthritis Cartilage. 2009 Oct 2;18(2):192–199. doi: 10.1016/j.joca.2009.09.006

Table I.

Descriptive characteristics of study sample (n = 160)

All No ACL (137) ACL (23)
Gender [female N (%)] 81 (51) 76 (56) 5 (22)
Age (mean, SD), years 62.1 (9.9) 62.9 (9.5) 57.5 (10.8)
Age group [≤65 years N (%)] 95 (59) 77 (56) 18 (78)
BMI (mean, SD), kg/m2 30.3 (4.7) 30.3 (4.7) 30.5 (4.8)
Interval between visit [mean (SD), median, range-days] 387.3 (49.7), 386, 76–546 388 (43.0), 384.5, 86–546 380 (81.7), 387, 76–489
Index knee [left N (%)] 78 (49) 69 (50) 9 (39)
KLG of index knee, no. (%)
  0 6 (4) 6 (4) 0 (0)
  1 18 (11) 17 (12) 1 (4)
  2 58 (36) 51 (37) 7 (30)
  3 64 (40) 54 (39) 10 (44)
  4 14 (9) 9 (7) 5 (22)
History of knee and hip surgery including arthroscopy [yes for study knee N (%)] 45 (28.9) 31 (22.6) 14 (60.9)
History of knee injury [yes for study knee N (%)] ever injured badly enough to limit ability to walk for at least 2 days 75 (47.2) 53 (38.7) 22 (95.7)