| 2014 | Factors Associated with Impairment on Quality of Life in Early or Established RA Patients. | 이지수 | Meeting Abstract |
| 2015 | Factors Associated with the Use of Complementary and Alternative Medicine for Korean Patients with Rheumatoid Arthritis | 이지수 | Article |
| 2014 | Factors Associated with Time to Diagnosis from Symptom Onset in Early Rheumatoid Arthritis Patients. | 이지수 | Meeting Abstract |
| 2012 | Factors Influencing On the Discordance Between 2011 ACR/EULAR Criteria and Physician's Clinical Judgment for Remission in Rheumatoid Arthritis Patients. | 이지수 | Meeting Abstract |
| 2016 | Impact of Childbearing Decisions on Family Size of Korean Women with Systemic Lupus Erythematosus | 박혜숙; 이지수; 김인제 | Article |
| 2016 | Imputing Variants in HLA-DR Beta Genes Reveals That HLA-DRB1 Is Solely Associated with Rheumatoid Arthritis and Systemic Lupus Erythematosus | 이지수 | Article |
| 2016 | Incidence and risk factors of fractures in patients with rheumatoid arthritis: an Asian prospective cohort study | 이지수 | Article |
| 2016 | Mapping health assessment questionnaire disability index (HAQ-DI) score, pain visual analog scale (VAS), and disease activity score in 28 joints (DAS28) onto the EuroQol-5D (EQ-5D) utility score with the KORean Observational study Network for Arthritis (KORONA) registry data | 이지수 | Article |
| 2019 | Prevalence and predictors for sustained remission in rheumatoid arthritis | 이지수 | Article |
| 2013 | Quality Of Life In Rheumatoid Arthritis: Cross-National Comparison Study Between US and South Korea | 이지수 | Meeting Abstract |
| 2013 | What Factors Lead To Achieve and Sustain Remission In Rheumatoid Arthritis Patients With Moderate To High Disease Activity? | 이지수 | Meeting Abstract |
