Table 2 Medical utilization and total cost between TRD and non-TRD (1000 KRW, 0.89USD)
|  | TRD (N = 34,812) | Non-TRD (N = 799,812) | P-value | TRD /non-TRD ratio | |
|---|---|---|---|---|---|
Clinical medical utilization | |||||
Outpatients visits | mean ± SD | 95.2 ± 102.9 | 15.9 ± 41.3 |  |  |
median (Q1, Q3) | 64 (28,128) | 3(1,11) | Â | Â | |
ER visits number | 0.7(4.7) | 0.1(0.6) | Â | Â | |
Hospitalization (N, %) | 17,246(49.5) | 149,901(18.7) | Â | Â | |
Number of hospitalization (mean, SD) | 3.0 ± 3.6 | 1.7 ± 1.8 |  |  | |
Days of hospitalization (mean, SD) | 63.4 ± 145.0 | 28.9 ± 71.4 |  |  | |
Medical cost | |||||
Total cost | mean, SD | 6610.5 ± 11,126.7 | 1273.0 ± 4604.7 | < 0.0001 | 5.19 |
median (Q1,Q3) | 3326.2(1288.67157.0) | 142.0(42.9685.9) | Â | Â | |
Related depression code | mean, SD | 3461.6 ± 7670.8 | 697.7 ± 3059.4 | < 0.0001 | 4.96 |
median (Q1,Q3) | 1384.3(543.93182.3) | 70.4(26.2258.3) | Â | Â | |
| Â | Patients with suicide code (N, %) | 4508 (12.95%) | 17,105 (2.14%) | Â | Â |
Total cost | mean, SD | 10,539.2 ± 14,061.1 | 4902.3 ± 9358.5 | < 0.0001 | 2.15 |
median (Q1,Q3) | 6178.4(3187.711790.9) | 2113.6(605.35414.7) | Â | Â | |
Related depression code | mean, SD | 5375.7 ± 9661.1 | 2138.5 ± 5714.6 | < 0.0001 | 2.51 |
median (Q1,Q3) | 2464.5(1115.44927.5) | 559.2(152.0,1923.7) | Â | Â | |
| Â | Patients without suicide code (N) | 30,304 (87.05%) | 782,777 (97.86%) | Â | Â |
Total cost | mean, SD | 6026.0 ± 10,496.5 | 1193.7 ± 4411.2 | < 0.0001 | 5.05 |
median (Q1,Q3) | 2955.8(1152.26458.3) | 135.7(41.9628.3) | Â | Â | |
Related depression code | mean, SD | 3176.9 ± 7286.0 | 666.2 ± 2967.3 | < 0.0001 | 4.77 |
median (Q1,Q3) | 1255.0(501.42947.4) | 68.2(25.7242.2) | Â | Â | |