{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"38.2"},{"groupId":"OG001","value":"52.7"},{"groupId":"OG002","value":"58.6"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"233"},{"groupId":"OG001","value":"239"},{"groupId":"OG002","value":"244"}],"units":"Participants"}],"description":"Total Erosion Score is determined by evaluation of fourteen sites in each wrist and hand and six joints in each foot using an eight-point scale from 0 (normal: no erosions) to 3.5 (Very severe; erosions of 100% of the articular surfaces. The score at baseline is compared to the score at week 104.\n\nNo progression is defined as a change from score at screening to week 104 ≤0.","groups":[{"description":"Placebo intravenously on Days 1 and 15 + a background of methotrexate orally at a dose of 7.5 mg escalating by 2.5 mg a week every 1-2 weeks to achieve: 15 mg per week by Week 4 and 20 mg per week by Week 8.\n\nFrom Week 104 participants were eligible to receive Rituximab 2 X 0.5 g or Rituximab 2 X 1.0 g every 24 weeks.","id":"OG000","title":"Placebo + Methotrexate"},{"description":"Rituximab intravenously at a dose of 0.5 g on Days 1 and 15 + a background of methotrexate orally at a dose of 7.5 mg escalating by 2.5 mg a week every 1-2 weeks to achieve: 15 mg per week by Week 4 and 20 mg per week by Week 8.\n\nSubsequent Rituximab treatment courses were given at 24 week intervals for 5 years provided the Disease Activity Score 28 Joint Count- Erythrocyte Sedimentation Rate (DAS-ESR) result was ≥2.6","id":"OG001","title":"Rituximab (0.5 g x 2) + Methotrexate"},{"description":"Rituximab intravenously at a dose of 1.0 g on Days 1 and 15 + a background of methotrexate orally at a dose of 7.5 mg escalating by 2.5 mg a week every 1-2 weeks to achieve: 15 mg per week by Week 4 and 20 mg per week by Week 8.\n\nSubsequent Rituximab treatment courses were given at 24 week intervals for 5 years provided the Disease Activity Score 28 Joint Count- Erythrocyte Sedimentation Rate (DAS-ESR) result was ≥2.6","id":"OG002","title":"Rituximab (1.0 g x 2) + Methotrexate"}],"paramType":"NUMBER","populationDescription":"Participants from the Modified Intent to Treat (MITT) population includes all randomized participants who received at least one infusion and had both screening and post-baseline radiographic assessments. Patients with missing data are classified as progressing.","reportingStatus":"POSTED","timeFrame":"Week 104","title":"Percentage of Participants Without Radiographic Progression in the Total Erosion Score at Week 104","type":"SECONDARY","unitOfMeasure":"Percentage of Participants"}