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Table 3 Congruence in histological grading between left and right hips (within-subject)

From: Host-specific factors affect the pathogenesis of adverse reaction to metal debris

  Difference in histological grading between left and right sides
No difference 1 p 2p 3p 4p Scale
Macrophage sheet thickness 18 (62%) 9 (31%) 2 (7%)   0–3 p
Lymphocyte cuff thickness 14 (48%) 15 (52%)   0–3 p
Degree of necrosis* 6 (21%) 10 (34%) 9 (31%) 1 (3%) 3 (10%) 0–4 p
Presence of plasma cells 26 (90%) 3 (10%)     Yes/no
Presence of diffuse lymphocytic infiltration 19 (66%) 10 (34%)     Yes/no
Presence of germinal centers 27 (93%) 2 (7%)     Yes/no
Presence of granulomas* 24 (83%) 5 (17%)     Yes/no
  1. Percentages represent proportion of all patients. In variables marked with * there was a statistically significant (p < 0.05) difference between the sides (see results)