Table 4.
Proportion of medication usage and Spearman's rho correlations for the 7 medications used in the LCA (n = 868).
| Medication | N users (%) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | NSAIDs | 203 (23.4) | 1.00 | ||||||
| 2 | Methotrexate | 546 (62.9) | 0.025 | 1.00 | |||||
| 3 | Leflunomide | 73 (8.4) | −0.050 | −0.352 | 1.00 | ||||
| 4 | Hydroxychloroquine | 131 (15.1) | −0.036 | −0.129 | −0.047 | 1.00 | |||
| 5 | Sulfasalazine | 35 (4.0) | −0.003 | −0.036 | −0.041 | 0.011 | 1.00 | ||
| 6 | TNF inhibitor | 249 (28.7) | −0.008 | −0.108 | 0.046 | −0.168 | −0.078 | 1.00 | |
| 7 | Non-TNF inhibitors | 44 (5.1) | −0.029 | −0.018 | −0.051 | −0.068 | 0.086 | −0.124 | 1.00 |