Skip to main content

Table 1 Preoperative and postoperative characteristics of RRP and LRP patients

From: Comparison of surgical technique (Open vs. Laparoscopic) on pathological and long term functional outcomes following radical prostatectomy

 

Surgical technique

 

Characteristics

RRP

LRP

Total

p-value*

Patients (n)

168

171

339

 

Age (yrs)

   

0.678 MW

 Mean ± SD

62.6 ± 5.4

62.3 ± 5.7

62.5 ± 5.6

 

 Median (Range)

64 (43–73)

64 (46–74)

64 (43–76)

 

PSA (ng/ml)

   

0.737 MW

 Mean ± SD

10.1 ± 11.9

9.2 ± 6.9

9.7 ± 9.6

 

 Median (Range)

7.4 (0.6-99.0)

7.2 (0.6-50.6)

7.4 (0.6-99.0)

 

Clinical stage (%)

   

0.525

 cT1

94/121 (77.7)

120/167 (71.9)

214/288 (74.3)

 

 cT2

25/121 (20.7)

43/167 (25.7)

68/288 (23.6)

 

 cT3

2/121 (1.7)

4/167 (2.4)

6/288 (2.1)

 

Biopsy Gleason score (%)

   

0.328

 ≤ 6

78/146 (53.4)

103/167 (61.7)

181/313 (57.8)

 

 7

52/146 (35.6)

50/167 (29.9)

1102/313 (32.6)

 

 8-9

16/146 (11.0)

14/167 (8.4)

30/313 (9.6)

 

Pathology weight (g)

   

0.024 MW

 Mean ± SD

58 ± 22

53 ± 20

55 ± 21

 

 Median (Range)

53 (27–150)

49 (21–173)

50 (21–173)

 

Prostatectomy Gleason score (%)

   

0.533

 ≤ 6

49/161 (30.4)

43/171 (25.1)

92/332 (58.6)

 

 7

91/161 (56.5)

106/171 (62.0)

197/332 (59.3)

 

 8-9

21/161 (13.0)

22/171 (12.9)

43/332 (13.0)

 

Extraprostatic extension

45/161 (28.0)

51/171 (29.8)

96/332 (28.9)

0.798

Seminal vesicle invasion

25/161 (15.5)

10/171 (5.8)

35/332 (10.5)

0.008

Lymph node invasion

14/156 (9.0)

3/64 (4.7)

17/220 (7.7)

0.422

Positive surgical margin

35/158 (22.2)

45/170 (26.5)

80/328 (24.4)

0.435

pT2 R1

13 (10.5)

21 (17.5)

34 (13.9)

0.006

Nerve sparing (%)

   

<0.001

 None

25/168 (14.9)

92/171 (53.8)

117/339 (34.5)

 

 Unilaterally

3/168 (1.8)

39/171 (22.8)

42/339 (12.4)

 

 Bilaterally

140/168 (83.3)

40/171 (23.4)

180/339 (53.1)

 

Time interval to interview (mo)

   

0.222

 Mean ± SD

24 ± 16

24 ± 12

24 ± 14

 

 Median (Range)

17 (9–62)

22 (9–52)

19 (9–62)

 
  1. *Indicates test for comparison among the two age cohorts. All tests are chi-squared, unless stated otherwise.
  2. MW: Mann –Whitney-U-Test.
  3. pT2 R1 – organ confined disease with positive surgical margin.