Table 2 Distribution of cases of urothelial carcinoma of the bladder (UCB) and controls, odds ratio (OR) and corresponding 95 % confidence interval (CI), according to indicators of metabolic syndrome (MetS). Italy, 2003-2014

Diabetes mellitus

  No

443

(83.1)

435

(92.0)

Ref

Ref

  Yes

90

(16.9)

38

(8.0)

2.22 (1.45-3.39)

2.20 (1.42-3.38)

  No

316

(59.3)

279

(59.0)

Ref

Ref

  Yes

217

(40.7)

194

(41.0)

0.99 (0.75-1.31)

0.88 (0.66-1.17)

  No

442

(82.9)

399

(84.4)

Ref

Ref

  Yes

91

(17.1)

74

(15.6)

1.21 (0.84-1.73)

1.16 (0.80-1.67)

Abdominal obesity^c

  No

145

(27.2)

167

(35.3)

Ref

Ref

  Yes

388

(72.8)

306

(64.7)

1.65 (1.23-2.21)

1.63 (1.22-2.19)

  None

83

(15.6)

85

(18.0)

Ref

  1

213

(40.0)

208

(44.0)

1.03 (0.70-1.51)

  2

154

(28.9)

138

(29.2)

1.23 (0.81-1.85)

  3

67

(12.6)

40

(8.5)

2.00 (1.17-3.41)

  4

16

(3.0)

2

(0.4)

7.93 (1.71-36.79)

  χ² for trend; p-value

11.45; P < 0.01

1.29 (1.11-1.49)

Indicators of MetS^d

  No

450

(84.4)

431

(91.1)

Ref

  Yes

83

(15.6)

42

(8.9)

2.09 (1.38-3.19)

  "Without diabetes"

29

(5.4)

26

(5.5)

1.16 (0.65-2.07)

  "With diabetes"

54

(10.1)

16

(3.4)

3.63 (1.99-6.61)