|  | Re-employed course | Total | |
---|---|---|---|---|
 |  | No inefficacy | Inefficacy |  |
Original course | No inefficacy | 19 (9.7 ± 3.1/11.4 ± 4.9) | 9 (10.0 ± 4.0/15.8 ± 6.5) | 28 (9.8 ± 3.3/12.9 ± 5.8) |
 | Inefficacy | 23 (11.8 ± 4.5/16.8 ± 5.6) | 28 (14.5 ± 5.3/18.8 ± 5.2) | 51 (13.3 ± 5.1/17.9 ± 5.4) |
Total | 42 (10.9 ± 4.1/14.4 ± 5.9) | 37 (13.5 ± 5.3/18.1 ± 5.6) | 79 (12.1 ± 4.8/16.1 ± 6.0) |