{
  "symptom_trajectory.right_knee.pain.v00": 78,
  "symptom_trajectory.right_knee.pain.v01": 97,
  "symptom_trajectory.right_knee.pain.v04": 97,
  "symptom_trajectory.right_knee.symptoms.v00": 68,
  "symptom_trajectory.right_knee.symptoms.v01": 93,
  "symptom_trajectory.right_knee.symptoms.v04": 91,
  "symptom_trajectory.left_knee.symptoms.v00": 80,
  "symptom_trajectory.left_knee.symptoms.v01": 73,
  "symptom_trajectory.left_knee.symptoms.v04": 66,
  "symptom_trajectory.right_knee.sport_recreation_function.v00": 40,
  "symptom_trajectory.right_knee.sport_recreation_function.v01": 58,
  "symptom_trajectory.right_knee.sport_recreation_function.v04": 75,
  "symptom_trajectory.right_knee.quality_of_life.v00": 25,
  "symptom_trajectory.right_knee.quality_of_life.v01": 31,
  "symptom_trajectory.right_knee.quality_of_life.v04": 50,
  "symptom_trajectory.left_knee.pain.v00": 100,
  "symptom_trajectory.left_knee.pain.v01": 89,
  "symptom_trajectory.left_knee.pain.v04": 92,
  "imaging_trajectory.right_knee.pain.v00": "Moderate",
  "imaging_trajectory.right_knee.pain.v01": "Severe",
  "imaging_trajectory.right_knee.pain.v04": "Severe",
  "imaging_trajectory.left_knee.pain.v00": "Mild",
  "imaging_trajectory.left_knee.pain.v01": "Mild",
  "imaging_trajectory.left_knee.pain.v04": "Mild",
  "key_factors.right_knee_symptoms_year2": [
    {
      "feature": "Osteophytes on baseline left X-ray",
      "impact": -1.08,
      "effect": "worsens symptoms"
    },
    {
      "feature": "Lower KOOS Pain score (more pain)",
      "impact": -1.02,
      "effect": "worsens symptoms"
    },
    {
      "feature": "Lower Quality of Life score",
      "impact": -0.94,
      "effect": "worsens symptoms"
    },
    {
      "feature": "Peak knee-extension torque (below cohort mean)",
      "impact": 1.19,
      "effect": "protective factor"
    }
  ]
}