Table 4 Total cost analysis by age (1000 KRW, 0.89 USD)
| Â | TRD | Non-TRD | P-value | TRD/non-TRD ratio |
|---|---|---|---|---|
PTD patients aged 18–39 (N) | 8294 | 164,113 |  |  |
Total cost, won (mean, SD) | 4186.4 ± 8013.9 | 621.9 ± 2707.2 | < 0.0001 | 6.71 |
 With depression code | 2789.7 ± 5915.4 | 436.2 ± 2095.6 | < 0.0001 | 6.40 |
 With hospitalization (N, %) | 2961 (35.70%) | 18,530 (11.29%) |  |  |
 With hospitalization (mean, SD) | 5233.5 ± 10,970.8 | 2750.6 ± 6448.0 | < 0.0001 | 1.90 |
PTD patients aged 40–59 (N) | 15,157 | 330,818 |  |  |
Total cost, won (mean, SD) | 7010.9 ± 12,061.7 | 1151.0 ± 4621.8 | < 0.0001 | 6.09 |
 With depression code | 3895.1 ± 838.9 | 677.4 ± 3157.4 | < 0.0001 | 5.75 |
 With hospitalization (N, %) | 7545 (49.78%) | 58,474 (17.68%) |  |  |
 With hospitalization (mean, SD) | 7690.2 ± 13,547.7 | 3895.6 ± 8070.3 | < 0.0001 | 1.97 |
PTD patients aged 60+ (N) | 11,361 | 304,951 | Â | Â |
Total cost, won (mean, SD) | 7846.0 ± 11,505.0 | 1755.9 ± 5293.5 | < 0.0001 | 4.47 |
 With depression code | 3373.8 ± 776.5 | 860.4 ± 3363.1 | < 0.0001 | 3.92 |
 With hospitalization (N, %) | 6740 (59.33%) | 72,897 (23.90%) |  |  |
 With hospitalization (mean, SD) | 6947.3 ± 11,923.1 | 4511.0 ± 7556.0 | < 0.0001 | 1.54 |