Statistical analysis
Osteoarthritis, Knee Injury, pain
OSTEOARTHRITIS
Quantitative variables were presented using mean and standard deviation, whereas for qualitative data like gender, affected side, aggravating, and relieving factors, duration of pain, frequencies and percentages were estimated (Table Characteristics of participants at baseline.Between group differences for VAS, VISA-P, KOOS and Lysholm scales.UG-DN, ultrasound guided dry needling; VAS, visual analog scale; VISA-P, Victorian Institute of Sports Assessment for PT, KOOS, Knee Injury and Osteoarthritis Outcome Score.Between group differences for ultrasonographic features at baseline and 4th week.