Table 2 Demographic description and comparison of baseline parameters in the two groups. Independent t-test (continuous variables) or Fischer’s exact test (categorical variables) was used to test for the significance of differences of means.

Mean age (years)

58.2 ± 11.6

55.0 ± 11.5

0.057

Mean hemoglobin (g/dl)

12.3 ± 1.5

12.0 ± 1.3

0.056

Mean length of cystoscopy (min)

9.47 ± 2.0

9.8 ± 2.1

0.193

     a) Follow up for bladder cancer

94

96

0.497

     b) Follow up for upper tract urothelial cancer

2

0

     Hypothyroidism

2

5

0.44

     Coronary artery disease

7

6

0.74

     Hypertension

8

9

0.79

     Benign prostatic obstruction

7

6

0.74

     Diabetes mellitus

10

12

0.82

     a) Any bacterial growth except aerobic spore bearers

84

81

0.533

     b) Uro-pathogenic bacterial growth (excluding aerobic spore bearers and staphylococci species)

34

31

0.76