Table 1.
Comparison of demographic data of the two groups of patients.
| Items | Control group (n = 47) | Intervention group (n = 48) | t/χ2/z | P | |
|---|---|---|---|---|---|
| Age (years), Mean ± SD | 53.47 ± 11.34 | 52.90 ± 8.13 | −0.283a | 0.778 | |
| BMI (kg/m2), Mean ± SD | 23.83 ± 3.04 | 24.00 ± 3.03 | −0.179a | 0.858 | |
| Marriage | Married | 46 (97.9%) | 47 (97.9%) | −0.015b | 0.988 |
| Divorced | 1 (2.1%) | 1 (2.1%) | |||
| Occupational status | Unemployed | 13 (27.7%) | 24 (50.0%) | 5.001b | 0.082 |
| Employed | 15 (31.9%) | 11 (22.9%) | |||
| Retired | 19 (40.4%) | 13 (27.1%) | |||
| Education level | Elementary and below | 7 (14.9%) | 6 (12.5%) | 1.921b | 0.589 |
| Junior high school | 25 (53.2%) | 30 (62.5%) | |||
| High school/Middle school | 7 (14.9%) | 8 (16.7%) | |||
| College and above | 8 (17.0%) | 4 (8.3%) | |||
| TNM stage | I | 2 (4.3%) | 0 (0.0%) | 2.992b | 0.224 |
| II | 26 (55.3%) | 23 (47.9%) | |||
| III | 19 (40.4%) | 25 (52.1%) | |||
| IV | 0 (0.0%) | 0 (0.0%) | |||
| Lymphatic node transfer | With | 30 (63.8%) | 33 (68.8%) | −0.505c | 0.614 |
| Without | 17 (36.2%) | 15 (31.3%) | |||
| Chemotherapy | Yes | 46 (97.9%) | 47 (97.9%) | −0.015b | 0.988 |
| No | 1 (2.1%) | 1 (2.1%) | |||
| Surgical location | Left | 21 (44.7%) | 28 (58.3%) | −1.3245c | 0.185 |
| Right | 26 (55.3%) | 20 (41.7%) | |||
BMI, body mass index; TNM, tumor-node-metastasis. a. two independent samples t test; b. chi-square test; c. Mann–Whitney U rank sum test.