Skip to main content

Table 4 Parameters correlating with occurrence of UUTUC

From: Impact of double J stenting or nephrostomy placement during transurethral resection of bladder tumour on the incidence of metachronous upper urinary tract urothelial cancer

Parameter

No metachronous UUTUC

Metachronous UUTUC present

p-value (§ Chi-square; # Fisher’s exact)

Hydronephrosis

  

n.s.

 no

87.7% (534/609)

62.5% (5/8)

 

 yes

12.3% (75/609)

37.5% (3/8)

 

Urinary drainage of the upper urinary tract

  

0.041 #

 no

82.1% (500/609)

50.0% (4/8)

 

 yes

17.9% (109/609)

50.0% (4/8)

 

Type of urinary drainage

  

n.s.

 DJ

65.7% (65/99)

100% (4/4)

 

 nephrostomy

34.3% (34/99)

0% (0/4)

 

DJ

  

0.007 #

 no (incl. nephrostomy)

89.3% (544/609)

50.0% (4/8)

 

 yes

10.7% (65/609)

50.0% (4/8)

 

DJ

  

0.009 #

 no (excl. nephrostomy)

88.7% (510/575)

50.0% (4/8)

 

 yes

11.3% (65/575)

50.0% (4/8)

 

Nephrostomy

  

n.s.

 no (incl. DJ)

94.4% (575/609)

100.0% (8/8)

 

 yes

5.6% (34/609)

0% (0/8)

 

Nephrostomy

  

n.s.

 no (excl. DJ)

93.8% (510/544)

100% (4/4)

 

 yes

6.3% (34/544)

0% (0/4)

 

T-stage BCa at initial diagnosis

  

n.s.

 pTa

42.1% (253/601)

62.5% (5/8)

 

 pT1

30.3% (182/601)

37.5% (3/8)

 

 pT2

27.6% (166/601)

0% (0/8)

 

 miscellaneous

1.2% (8/609)

0% (0/8)

 

Grading (WHO 1973) BCa at initial diagnosis

  

n.s.

 G1

18.0% (109/607)

50.0% (4/8)

 

 G2

45.1% (274/607)

25.0% (2/8)

 

 G3

36.9% (224/607)

25.0% (2/8)

 

 unknown

0.3% (2/609)

0% (0/8)

 

Grading (WHO 2004) BCa at initial diagnosis

  

n.s.

 low-grade

20.7% (120/581)

50.0% (4/8)

 

 high-grade

79.3% (461/581)

50.0% (4/8)

 

 unknown

4.6% (28/609)

0% (0/8)

 

T-stage BCa at urinary drainage of the upper urinary tract

  

n.s.

 pTa

29.5% (31/105)

75.0% (3/4)

 

 pT1

17.1% (18/105)

25.0% (1/4)

 

 pT2

53.3% (56/105)

0% (0/4)

 

 miscellaneous

3.7% (4/109)

0% (0/4)

 

Grading (WHO 1973) BCa at urinary drainage of the upper urinary tract

  

n.s.

 G1

10.3% (11/107)

25.0% (1/4)

 

 G2

41.1% (44/107)

50.0% (2/4)

 

 G3

48.6% (52/107)

25.0% (1/4)

 

 unknown

1.8% (2/109)

0% (0/4)

 

Grading (WHO 2004) BCa at urinary drainage of the upper urinary tract

  

n.s.

 low-grade

10.4% (11/106)

25.0% (1/4)

 

 high-grade

89.6% (95/106)

75.0% (3/4)

 

 unknown

2.8% (3/109)

0% (0/4)

 
  1. Data excludes synchronous UUTUCs; n = 617; miscellaneous includes BCa staging >pT2, pTis and PUNLMP; “miscellaneous” and “unknown” categories were excluded from statistical analyses
  2. BCa bladder cancer, DJ double J stent, n.s. not significant, UUTUC upper urinary tract urothelial cancer, WHO World Health Organization