Table 1 Demographic and clinical conditions of enrolled patients.

From: Salivary apoptotic microvesicles as biomarkers for prognostic non-healing oral ulcers and oral cancer: a cross-sectional study

Parameters

Groups

Comparisons between groups

NO

HO

Numbers

73

62

p-value

df

Test value

95% CI

Gender

Male

38 (52)

32 (52)

0.96 (χ2-test with Yates correction)

1

0.003

0.736 to 1.376

Female

35 (48)

30 (48)

Age (years)

45 (33–55)

44 (34–54)

0.089 (Mann–Whitney test)

N/A

155.21

N/A

Ethnicity

Han Chinese

65 (89)

54 (87)

0.941 (χ2-test for Independence)

2

0.121

N/A

Mongolian

7 (10)

7 (11)

Tibetan

1 (1)

1 (2)

Diabetes

2 (3)

2 (3)

0.999 (Fisher’s exact test)

N/A

0.923

0.342 to 2.490

Cardiovascular disease

3 (4)

2 (3)

0.999 (Fisher’s exact test)

N/A

1.114

0.535 to 2.320

  1. Variable were presented as median (Q3–Q1) or frequencies (percentages).
  2. All results were considered significant if p-value less than 0.05.
  3. df: Degree of freedom, N/A: Not applicable, CI: Confidence interval ((using the approximation of Katz.) for constant variables). NO group: Non-healing oral ulcer(s) and reported oral cancer, HO: Healthy volunteers with oral ulcer(s).
  4. Test value (χ2-value for χ2-test, Mann–Whitney value for Mann–Whitney test).
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