Table 5.
Comparison of TRAb titers between before and after therapy, remission and relapse, and recurred and nonrecurred cases.
| TRAb variables | Group 1 | Group 2 | Statistical test | p value |
|---|---|---|---|---|
| Before therapy | After therapy | |||
|
| ||||
| Number | 125 | 125 | ||
| Mean (X ± SD IU/L) | 140.83 ± 182.12 | 73.55 ± 94.51 | Paired test t = 5.21 | 0.000 |
| Range (min-max IU/L) | 1.87–1186.2 | 1.13–585.69 | ||
| TRAb titer distribution | ||||
| <20 IU/L (no.) | 12 | 37 | Pearson chi-square χ 2 = 19.225 | 0.000 |
| 20–40 IU/L (no.) | 34 | 36 | ||
| 40–100 IU/L (no.) | 27 | 22 | ||
| >100 IU/L (no.) | 52 | 30 | ||
|
| ||||
| Remission | Relapse | |||
|
| ||||
| Number (65 times of 42 cases) | 65 | 65 | ||
| Mean (X ± SD IU/L) | 71.454 ± 78.473 | 132.146 ± 162.803 | Paired test t = 4.876 | 0.000 |
| Range (min–max IU/L) | 9.4–351.8 | 19.8–840 | ||
|
| ||||
| Nonrecurred cases | Recurred cases | |||
|
| ||||
| No. | 67 | 65 | ||
| Mean (X ± SD IU/L) | 22.76 ± 14.577 | 132.146 ± 162.803 | Independent test t = 5.477 | 0.000 |
| Range (min–max IU/L) | 0.5–60.8 | 19.8–840 | ||