Table 1 Characteristics of study in the baseline.

From: Risk of depression in patients with oral cancer: a nationwide cohort study in Taiwan

Variables/group

Oral cancer

Non-oral cancer

Non-cancer

(N = 3031)

(N = 9093)

(N = 9093)

Gender male

87.96%

87.96%

87.96%

Female

12.04%

12.04%

12.04%

Age (years)

53.54 ± 12.66

53.76 ± 13.05

53.46 ± 13.31

Age

20–29

1.78%

1.78%

1.78%

30–39

12.70%

12.70%

12.70%

40–49

28.67%

28.67%

28.67%

50–59

26.13%

26.13%

26.13%

60–69

19.4%

19.4%

19.4%

 70

11.32%

11.32%

11.32%

Insured premium (NT$)

< 18,000

92.61%

92.62%

92.58%

18,000–34,999

5.64%

5.62%

5.69%

 35,000

1.75%

1.76%

1.74%

DM

5.05%

6.71%*

10.92%**

Hyperlipidemia

0.26%

1.09%**

3.52%**

HTN

3.73%

6.04%**

12.82%**

Alcohol abuse

0.10%

0.19%

0.49%**

Tobacco use

0

0

0

Stroke

1.25%

1.73%

7.32%**

COPD

1.25%

3.31%**

6.03%**

IHD

2.08%

2.23%

7.23%**

Renal disease

1.48%

2.66%**

3.48%**

Anxiety

0

0.03%

0.23%*

Sleep disorder

0.20%

0.16%

0.40%

Location

Northern Taiwan

40.35%

44.59%

38.85%

Middle Taiwan

22.83%

23.18%

27.12%

Southern Taiwan

32.40%**

27.66%

26.46%

Eastern Taiwan

4.39%

4.28%

6.96%

Outlets islands Taiwan

0.03%

0.29%

0.60%

Urbanization

1 (Highest) level

52.36%**

45.08%

33.65%

2

40.12%

41.27%

41.49%

3

2.38%

4.51%

7.68%

4 (Lowest)

5.15%

9.14%

17.18%

Level of care

Hospital Center

76.21%**

50.61%

28.26%

Regional Hospital

15.80%

27.68%

29.65%

Local Hospital

7.98%

21.71%

42.09%

Length of days

16.27 ± 15.65**

11.08 ± 11.48

7.99 ± 9.98

Medical cost (NT$)

62,327 ± 86,318**

55,602 ± 84,346

34,104 ± 61,343

  1. Significant values are in bold.
  2. P: Chi-square/Fisher exact test on category variables and t-test on continue variables.
  3. NT$ New Taiwan Dollars, DM diabetes mellitus, HTN hypertension, COPD chronic obstructive pulmonary disease, IHD ischemic heart disease.
  4. *The pair of subsets showed a significant difference at p < 0.05.
  5. **The pair of subsets showed a significant difference at p < 0.001.