The number (%) of patients with NP events and their attribution at each study assessment over 7 years.
| Visit | SLE NP, n (%) | NP-positive | Total, n (%) | NP-negative, n (%) | Total no. Patients | |
|---|---|---|---|---|---|---|
| Non-SLE NP, n (%) | SLE and Non-SLE, n (%) | |||||
| 1 | 13 (6.2) | 56 (26.8) | 13 (6.2) | 82 (39.2) | 127 (60.8) | 209 |
| 2 | 17 (9.4) | 50 (27.6) | 10 (5.5) | 77 (42.5) | 104 (57.5) | 181 |
| 3 | 13 (8.8) | 45 (30.6) | 12 (8.2) | 70 (47.6) | 77 (52.4) | 147 |
| 4 | 12 (10.5) | 34 (29.8) | 10 (8.8) | 56 (49.1) | 58 (50.9) | 114 |
| 5 | 9 (9.7) | 27 (29.0) | 8 (8.6) | 44 (47.3) | 49 (52.7) | 93 |
| 6 | 7 (9.3) | 23 (30.7) | 7 (9.3) | 37 (49.3) | 38 (50.7) | 75 |
| 7 | 5 (9.8) | 12 (23.5) | 3 (5.9) | 20 (39.2) | 31 (60.8) | 51 |
| 8 | 2 (9.1) | 2 (9.1) | 1 (4.6) | 5 (22.7) | 17 (77.3) | 22 |