Table 1.
Demographic and clinical characteristics of the patients (N = 175).
| Variable | Experimental (n = 83) | Control (n = 92) | t/χ2 | P-value |
|---|---|---|---|---|
| Gender | 0.059∗ | 0.809 | ||
| Male | 52 | 56 | ||
| Female | 31 | 36 | ||
| Age, years | 58.98 ± 9.72 | 59.90 ± 8.72 | 0.664# | 0.507 |
| Education | 3.086∗ | 0.214 | ||
| Primary school or below | 15 | 26 | ||
| Middle and high school | 57 | 52 | ||
| College and above | 11 | 14 | ||
| Occupation | 6.726∗ | 0.081 | ||
| No work | 42 | 38 | ||
| Working | 8 | 17 | ||
| Retire | 30 | 37 | ||
| Marital status | 1.128∗ | 0.569 | ||
| Single | 1 | 0 | ||
| Married | 80 | 90 | ||
| Divorced/widowed | 2 | 2 | ||
| Residence | 0.938∗ | 0.333 | ||
| City | 52 | 51 | ||
| Rural areas | 31 | 41 | ||
| Medical insurance | 1.248∗ | 0.264 | ||
| Self-payment | 3 | 1 | ||
| Residents' basic health insurance | 80 | 91 | ||
| Yearly income, yuan | 5.080∗ | 0.166 | ||
| < 20,000 | 3 | 9 | ||
| 20,001-50000 | 25 | 17 | ||
| 50,001-100,0000 | 38 | 46 | ||
| > 100,000 | 17 | 20 | ||
| Family history of LC | 1.040∗ | 0.308 | ||
| Yes | 2 | 5 | ||
| No | 81 | 87 | ||
| Smoking history | 0.217∗ | 0.641 | ||
| Yes | 39 | 40 | ||
| No | 44 | 52 | ||
| TNM tumor stage | 3.055∗ | 0.383 | ||
| I | 10 | 15 | ||
| II | 22 | 15 | ||
| III | 18 | 20 | ||
| IV | 33 | 42 | ||
| Metastases | 1.361∗ | 0.506 | ||
| Yes | 48 | 48 | ||
| No | 35 | 43 | ||
| Comorbidities | 2.525∗ | 0.112 | ||
| Yes | 15 | 26 | ||
| No | 68 | 66 | ||
| Pain degree | 4.102∗ | 0.251 | ||
| No pain | 54 | 65 | ||
| Mild | 15 | 13 | ||
| Moderate | 13 | 9 | ||
| Severe | 1 | 5 |
LC, lung cancer; TNM, tumor-node-metastasis. ∗χ2, #t.