Table 2 Relationship between each variable and number of total bacteria on the tongue at the day before surgery
Variable | p value | |
|---|---|---|
(i) Categorical variable | Number of total bacteria (logarithm) | |
Sex | ||
Female | 7.82 ± 0.316 | 0.186§ |
Male | 7.44 ± 0.430 | |
Primary disease | ||
Stomach cancer | 7.41 ± 0.583 | 0.511§ |
Colon cancer | 7.56 ± 0.362 | |
Smoking habit | ||
(−) | 7.54 ± 0.474 | 0.753§ |
(+) | 7.47 ± 0.378 | |
Drinking habit | ||
(−) | 7.52 ± 0.489 | 0.963§ |
(+) | 7.51 ± 0.375 | |
Diabetes | ||
(−) | 7.51 ± 0.335 | 0.902§ |
(+) | 7.54 ± 0.711 | |
Denture use | ||
(−) | 7.69 ± 0.373 | 0.056§ |
(+) | 7.29 ± 0.406 | |
(ii) Variable (continuous variable) | Spearman's correlation coefficient | |
Age (years) | 0.005 | 0.985† |
Body mass index | 0.037 | 0.892† |
Leukocyte (μL) | 0.136 | 0.615† |
Hemoglobin (g/dL) | − 0.349 | 0.185† |
Albumin (g/dL) | − 0.329 | 0.213† |
Creatinine (mg/dL) | − 0.165 | 0.541† |
Number of teeth | 0.507 | 0.045† |