Table 1.
Demographical details of renal cell cancer patients and healthy controls
| Variables | Patients n = 100 n (%) |
Controls n = 225 n (%) |
#p value |
|---|---|---|---|
| Sex | |||
| Female | 19 (19.0) | 23 (10.2) | 0.229 |
| Male | 81 (81.0) | 202 (89.8) | |
| Age (years) | |||
| Mean age ± SD | 49.93 ± 11.39 | 55.08 ± 10.14 | 0.313 |
| Smokinga | |||
| Non-smokers | 32 (34.4) | 161 (73.9) | < 0.001 |
| Smokers | 61 (65.6) | 57 (26.1) | |
| Stage | |||
| T1 | 25 (25.0) | – | – |
| T2 | 43 (43.0) | – | |
| T3 | 12 (12.0) | – | |
| T4 | 20 (20.0) | ||
| Grade | |||
| G1 | 20 (20.0) | – | – |
| G2 | 42 (42.0) | – | |
| G3 | 38 (38.0) | – | |
| Histology | |||
| Clear cell RCC | 79 (79.0) | ||
| Non-clear cell RCC | 21 (21.0) | ||
The statisticaly significant values are shown in bold
BCG i + m Bacillus Calmette-Guerin induction + maintenance
aThe sum could not add up to the total due to some missing values
#Student t test was used to determine the p value