Table 2

Pre-Operative Early Post-Operative
(mean 4 months)
Late Post-Operative
(mean 37 months)

Mean OSS

24 (+/-7.17SD) 41 (+/-5.35SD) 45 (+/-3.31SD)

p < 0.0001
95% CI -19.79 to -13.86
p < 0.0001
95% CI -6.82 to -2.70