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Table 1 The Fabellar prevalence a

From: The prevalence and parameters of fabella and its association with medial meniscal tear in China: a retrospective study of 1011 knees

  Absent Present P value
Gender
Male 265 (57.0) 200 (43.0) 0.051
Female 344 (63.0) 202 (37.0)
Side
Right 303 (57.5) 224 (42.5) 0.063
Left 306 (62.3) 178 (36.8)
ACL rupture
Yes 30 (65.2) 16 (34.8) 0.658
No 579 (60.0) 386 (40.0)
PCL rupture
Yes 6 (50.0) 6 (50.0) 0.466
No 603 (60.4) 396 (39.6)
MM tear
Yes 61 (33.3) 122 (66.7)  < 0.001
No 548 (66.2) 280 (33.8)
LM tear
Yes 63 (57.3) 47 (42.7) 0.507
No 545 (60.6) 355 (39.4)
Age groupb
 ≤ 20 58 (75.3) 19 (24.7)  < 0.001
21–30 136 (71.6) 54 (28.4)
31–40 174 (65.7) 91 (34.3)
41–50 114 (58.2) 82 (41.8)
51–60 77 (57.5) 57 (42.5)
 ≥ 61 50 (33.6) 99 (66.4)
Overall 609 (60.2) 402 (39.8) -
  1. aValues are presented as n (%). P values refer to chi-square test for pooled values. ACL anterior cruciate ligament, PCL posterior cruciate ligament, MM medial meniscus, LM lateral meniscus
  2. br = 0.237, P < 0.001, Spearman nonparametric correlation test