Table 1 Schedule for data collection
Assessments | Baseline | Home exercise program | Follow-up | |
|---|---|---|---|---|
Weeks 1, 3, 6, 9 | Week 12 | Week 24 | ||
Descriptive data | √ |  |  |  |
Imaging (K-L grade, HKA angle, JLCA) | √ |  |  | √ |
Adherence | ||||
 Adherence (11-point NRS) |  | √ | √ |  |
 Adherence (EARS) |  | √ | √ |  |
 Physiotherapy sessions attended (outpatient records) |  | √ | √ |  |
 Adherence (WeChat app records) |  | √ | √ |  |
Primary outcomes | ||||
 Average knee pain in the past week (VAS) | √ |  | √ | √ |
 Physical function in the past week (WOMAC) | √ |  | √ | √ |
Secondary outcomes | ||||
 Average knee pain upon walking in the past week (VAS) | √ |  | √ | √ |
 Pain (KOOS) | √ |  | √ | √ |
 Other symptoms (KOOS) | √ |  | √ | √ |
 Sport and recreational activities (KOOS) | √ |  | √ | √ |
 Knee-related quality of life (KOOS) | √ |  | √ | √ |
 Improvement in pain (PPSI) |  |  | √ | √ |
 Improvement in physical function (PPSI) |  |  | √ | √ |
 Improvement in general (PPSI) |  |  | √ | √ |
 Health-related quality of life (AQoL 6D) | √ |  | √ | √ |
 Physical activity (PASE) | √ |  | √ | √ |
 Physical performance (6-step Stair-Climb and Descent Test) | √ |  | √ | √ |
 Physical performance (five times sit to stand test) | √ |  | √ | √ |
 Physical performance (Stand on one leg test) | √ |  | √ | √ |
 Physical performance (40-m fast-paced walk test) | √ |  | √ | √ |
 Physical performance (four square step test) | √ |  | √ | √ |
 Muscle strength (knee extensors) | √ |  | √ | √ |
 Muscle strength (knee flexors) | √ |  | √ | √ |
 Muscle strength (hip abductors) | √ |  | √ | √ |
Additional measures | ||||
 Use of medication | √ | √ | √ | √ |
 Adverse events |  | √ | √ | √ |