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Table 3 Clinical and histopathological prevalence parameters and DNA methylation pattern for RARB and RASSF1A genes in 49 fresh urinary bladder carcinoma tissues.

From: DNA methylation patterns in bladder cancer and washing cell sediments: a perspective for tumor recurrence detection

Variable

RARB

OR (95% CI)

RASSF1A

OR (95% CI)

 

N(a)

P(a)

 

N(a)

P(a)

 

Age #

      

< 60 years

1

8

1.0 (ref)

6

3

1.0 (ref)

≥ 60 years

8

31

0.48 (0.05–4.45)

31

8

0.51 (0.10–2.52)

Sex*

      

Female

3

6

1.0 (ref)

9

0

na p (1) = 0,097

Male

6

34

2.83 (0.55–14.54)

29

11

 

Growth pattern* (b)

Non-papillary

2

7

1.0 (ref)

12

4

1.0 (ref)

Papillary

14

26

0.53 (0.09–2.90)

26

7

0.80 (0.19–3.29)

Differentiation grade* (b)

Low

5

16

1.0 (ref)

18

3

1.0 (ref)

High

4

24

1.88 (0.44–8.07)

20

8

2.40 (0.55–10.46)

Muscle invasion* (b)

Noninvasive

7

23

1.0 (ref)

24

6

1.0 (ref)

Invasive

2

17

2.59 (0.48–14.05)

14

5

1.43 (0.37–5.55)

Post-surgery recurrence*

Absence

4(0/20)

22(4/20)

1.0 (ref)

19(3/20)

7(1/20)

1.0 (ref)

Presence

5(1/20)

18(15/20)

0.65 (0.15–2.80)

19(13/20)

4(3/20)

0.57 (0.14–2.27)

  1. #Includes 48 samples; *Includes 49 samples; N – methylation negative; P – methylation positive; (a) patients that showed recurrence among those that were under recurrence at time of the tumor sample collection; (b) according to recommendations of WHO-ISUP 1998 [43]; OR – odds ratio; CI – confidence interval; ref – referent category; na – not applicable; (1) Fisher's Exact test (α = 0.05).