Table 1. Demographics and clinical characteristics.
| Parameter | Exp. (n = 19) | Cont. (n = 21) | χ2 or t (p value) | |
|---|---|---|---|---|
| Mean ± SD (range) or No. (%) | Mean ± SD (range) or No. (%) | |||
| Age (years)* | 49.95 ± 8.12 (34–67) | 48.14 ± 6.67 (33–62) | ||
| ≤ 39 | 1 (5.3) | 2 (9.5) | 2.280 (0.623) | |
| 40–49 | 9 (47.4) | 10 (47.6) | ||
| 50–59 | 7 (36.8) | 9 (42.9) | ||
| ≥ 60 | 2 (10.5) | - | ||
| Marital status | 0.007 (0.935) | |||
| Married | 12 (63.2) | 13 (61.9) | ||
| Single/widowed/divorced | 7 (36.8) | 8 (38.1) | ||
| Income (KRW) | 0.973 (0.324) | |||
| < 3 million | 12 (63.2) | 10 (47.6) | ||
| ≥ 3 million | 7 (36.8) | 11 (52.4) | ||
| Employment status | 1.069 (0.301) | |||
| No | 13 (68.4) | 11 (52.4) | ||
| Yes | 6 (31.6) | 10 (47.6) | ||
| Religion | 0.043 (0.836) | |||
| No | 6 (31.6) | 6 (28.6) | ||
| Yes | 13 (38.4) | 15 (71.4) | ||
| Economic burden | 2.431 (0.119) | |||
| No | 8 (42.1) | 14 (66.3) | ||
| Yes | 11 (57.9) | 7 (33.4) | ||
| Education level | 2.824 (0.093) | |||
| ≤ High school | 14 (73.7) | 10 (47.6) | ||
| ≥ College | 5 (26.3) | 11 (52.4) | ||
| Children* | 0.302 (0.712) | |||
| No | 5 (26.3) | 4 (19.0) | ||
| Yes | 14 (73.7) | 17 (81.0) | ||
| Stage | 1.269 (0.530) | |||
| I | 4 (21.1) | 7 (33.4) | ||
| II | 10 (52.6) | 11 (52.4) | ||
| III | 5 (26.3) | 3 (14.2) | ||
| Surgery type | 0.935 (0.334) | |||
| Mastectomy | 3 (31.6) | 6 (28.6) | ||
| Breast conservation | 16 (68.4) | 15 (71.4) | ||
| Time since diagnosis (years)* | 0.974 (0.674) | |||
| < 1 | 6 (31.6) | 9 (42.9) | ||
| 1–2 | 11 (57.9) | 9 (42.9) | ||
| ≥ 2 | 2 (10.5) | 3 (14.2) | ||
| Chemotherapy* | 1.905 (0.488) | |||
| None | - | 2 (9.5) | ||
| Completed | 19 (100) | 19 (90.5) | ||
| Radiation therapy* | 1.778 (0.738) | |||
| None | - | 2 (9.5) | ||
| Completed | 18 (94.7) | 18 (85.7) | ||
| Currently | 1 (5.3) | 1 (4.8) | ||
| Endocrine therapy | 0.082 (0.775) | |||
| No | 10 (52.6) | 12 (57.2) | ||
| Yes | 9 (47.4) | 9 (42.8) | ||
| Target therapy* | 2.899 (0.217) | |||
| No | 11 (57.9) | 17 (81.0) | ||
| Yes | 7 (36.8) | 4 (19.0) | ||
| Unknown | 1 (5.3) | - | ||
| Triple-negative* | 1.655 (0.525) | |||
| No | 13 (68.4) | 12 (57.1) | ||
| Yes | 5 (26.3) | 5 (23.8) | ||
| Unknown | 1 (5.3) | 4 (19.1) | ||
Cont = control group; Exp = experimental group; SD = standard deviation; KRW = Korean Won.
*Fisher's exact test.