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Table 4 Summary of clinical outcomes between the groups with or without cysts.

From: Is there added risk in resurfacing a femoral head with cysts?

  Study Group
-- with Cyst
Control Group
-- Without Cyst
P-Value
Period of follow-up (months) 42 ± 11 (range: 24 to 61) 45 ± 12 (range: 24 to 65) 0.08
Pre-operative information    
HHS score 54 ± 12 (range: 24 to 91) 55 ± 13 (range: 21 to 83) 0.2
Post-operative information    
HHS score 97 ± 6 (range: 68 to 100) 95 ± 8 (range: 71 to 100) 0.22
UCLA score 8 ± 2 (range: 4 to 10) 8 ± 2 (range: 3 to 10) 0.95
VAS score in the regular day 0 ± 1 (range: 0 to 4) 0 ± 1 (range: 0 to 4) 0.59
VAS score in the worst day 1 ± 2 (range: 0 to 8) 1 ± 2 (range: 0 to 7) 0.27
Femoral radiolucency 0 (0%) 0 (0%) 1
Number of femoral failures (revisions) 3 (3%) 0 (0%) 0.08
Deceased 0 (0%) 2 (1.7%) 0.16