No statistically significant difference ( P > 0.05 ) was detected between the groups in NRS score values at resting ( P = 0.814 ) , night ( P = 0.830 ) , and in motion ( P = 0.145 ) , and LAS values with long duration of sitting ( P = 0.547 ) , standing ( P = 0.898 ) , and lying ( P = 0.326 ) with evaluations at baseline , first week , and first and third months after the injection .