| Low BMI (<  18.5) | Normal BMI (18.5–23.0) | High BMI (>  23) | P value |
---|---|---|---|---|
Baseline | (n = 22) | (n = 53) | (n = 18) |  |
 Prednisolone (mg/day) | 30 (30–30) | 30 (30–40) | 34 (40–50) | < 0.001 |
  3rd month | (n = 17) | (n = 46) | (n = 17) |  |
 Prednisolone (mg/day) | 13 (10–15) | 13 (10–15) | 13 (10–15) | 0.808 |
 Cumulative dose of prednisolone (g) | 1.5 (1.5–1.6) | 1.6 (1.4–1.8) | 1.6 (1.4–1.9) | 0.384 |
 Use of immunosuppressants [n (%)] | 1 (5.9) | 6 (13.0) | 2 (12.5) | 0.309 |
  6th month | (n = 15) | (n = 41) | (n = 15) |  |
 Prednisolone (mg/day) | 10 (8–10) | 9 (8–10) | 10 (7–10) | 0.959 |
 Cumulative dose of prednisolone (g) | 2.6 (2.5–3.1) | 2.5 (2.1–3.0) | 2.4 (2.0–3.2) | 0.360 |
 Use of immunosuppressants [n (%)] | 1 (6.7) | 8 (19.5) | 1 (6.7) | 0.307 |
  1st year | (n = 13) | (n = 36) | (n = 13) |  |
 Prednisolone (mg/day) | 6 (5–8) | 7 (5–8) | 8 (5–8) | 0.892 |
 Cumulative dose of prednisolone (g) | 3.4 (3.1–4.1) | 3.1 (2.7–43.9) | 3.1 (2.7–3.8) | 0.532 |
 Use of immunosuppressants [n (%)] | 0 (0) | 8 (22.2) | 1 (7.7) | 0.110 |
  2nd year | (n = 11) | (n = 26) | (n = 8) |  |
 Prednisolone (mg/day) | 5 (5–5) | 5 (5–8) | 5 (1–5) | 0.267 |
 Cumulative dose of prednisolone (g) | 5.1 (4.5–5.7) | 5.1 (4.3–6.0) | 5.0 (3.0–6.4) | 0.906 |
 Use of immunosuppressants [n (%)] | 1 (9.1) | 11 (42.3) | 1 (14.3) | 0.081 |