Table 1 Patients’ characteristics between the BNC and NBNC groups

Age (years)

68.95 ± 11.04

68.47 ± 10.80

0.83

71.96 ± 7.92

71.44 ± 7.82

0.78

70.26

69.67

Prostate volume (ml)

40.46 ± 20.29

55.05 ± 18.40

0 < 0.001*

46.37 ± 16.83

60.03 ± 21.42

 < 0.001*

43.0 ± 18.95

57.2 ± 19.84

PSA (ng/ml)

5.17 ± 7.02

9.69 ± 15.5

0.10

11.76 ± 22.92

8.12 ± 11.85

0.35

8.04 ± 16.19

9.0 ± 14.02

Maximal urinary flow (ml/s)

11.24 ± 10.20

7.89 ± 6.01

0.04*

9.43 ± 7.01

8.79 ± 5.87

0.67

10.4 ± 8.84

8.28 ± 5.94

Post-voiding residual urine (ml)

154.6 ± 194.94

141.51 ± 177.94

0.73

110.25 ± 147.49

97.71 ± 150.84

0.72

135.29 ± 175.91

122.43 ± 167.45

Foley insertion before TURP or ThuP (yes/no)

9/26

13/57

0.40

5/22

9/45

0.84

14/48

22/102

Preoperative Hemoglobin (gm/dl)

14.05 ± 1.14

14.16 ± 1.58

0.73

13.63 ± 0.99

14.10 ± 1.30

0.12

13.87 ± 1.09

14.12 ± 1.45

Postoperative Hemoglobin (gm/dl)

13.41 ± 1.37

13.54 ± 1.56

0.68

13.00 ± 0.90

13.32 ± 1.29

0.23

13.22 ± 1.20

13.44 ± 1.44

Hemoglobin change (gm/dl)

0.67 ± 0.56

0.62 ± 0.67

0.70

0.59 ± 0.50

0.76 ± 0.76

0.29

0.64 ± 0.53

0.68 ± 0.71

Prostate resection weight (g)

11.09 ± 16.0

16.0 ± 10.86

0.02*

12.37 ± 14.94

17.65 ± 15.09

0.14

11.64 ± 11.75

16.67 ± 12.84

Percentage of prostate resected (%)

29.2 ± 15.63

27.98 ± 13.96

0.69

24.76 ± 23.42

27.01 ± 16.67

0.62

27.2 ± 19.36

27.5 ± 15.13

Surgical time (min)

85.11 ± 100.93

100.93 ± 31.69

0.01*

93.63 ± 35.20

111.94 ± 37.11

0.04*

43.0 ± 30.9

57.2 ± 34.5

Resection speed (g/min)

0.12 ± 0.06

0.15 ± 0.09

0.04*

–

–

–

–

–

Hospital stay (days)

3.14 ± 0.49

3.19 ± 0.57

0.71

3.00 ± 0.28

3.13 ± 0.48

0.20

3.08 ± 0.42

3.16 ± 0.53

Smoking (yes/no)

17/18

25/45

0.21

7/20

9/45

0.32

24/38

34/90

Hypertension (yes/no)

18/17

32/38

0.58

17/10

24/30

0.12

35/27

56/68

Diabetes mellitus (yes/no)

7/28

10/60

0.45

7/20

8/46

0.23

14/48

18/106

Cerebrovascular accidents (yes/no)

7/28

5/65

0.05

4/23

2/52

0.07

11/51

7/117

Coronary artery disease (yes/no)

6/29

10/60

0.70

9/18

6/48

0.02*

14/48

16/108

Chronic kidney disease (yes/no)

5/30

8/62

0.68

9/18

3/51

0.001*

14/48

11/113

Number of comorbidities (≥ 2/ ≤ 1)

14/21

16/54

0.07

15/12

11/43

0.001*

29/33

27/97

Prostate cancer (yes/no)

6/69

6/64

0.193

2/25

4/50

1

8/54

10/114

Other malignancy (yes/no)

5/30

3/67

0.07

1/26

1/53

0.61

6/56

4/54

Concurrent ESCL (yes/no)

2/33

4/66

1

0/27

4/50

–/–

2/60

8/116

Recatherization after surgery (yes/no)

4/31

0/70

–/–

3/24

2/52

0.19

7/55

2/122

Post-opertion urinary tract infection (yes/no)

1/34

1/69

0.61

2/25

0/54

–/–

3/59

1/123