Table 1 Preoperative characteristics

Age, median (IQR), year

61 (56–69)

55.5 (51.3–63.5)

61 (57–70)

0.23

Race, No. (%)

 > 0.99

    Asian

4 (17)

1 (14)

3 (18)

   African American

4 (17)

1 (14)

3 (18)

   Hispanic

4 (17)

2 (29)

2 (12)

    Caucasian

12 (50)

3 (43)

9 (53)

ASA, No. (%)

0.53

II

11 (46)

2 (29)

9 (53)

III

11 (46)

4 (57)

7(41)

IV

2 (8)

1 (14)

1 (6)

Age-adjusted CCI, median (IQR)^a

2 (1–3)

2 (1–3)

2 (2–3)

0.79

Operative time, median (IQR), min

247 (214.5–287)

281 (223.5–290)

237 (210–283)

0.49

Biopsy Gleason score, median (IQR)

8 (7–9)

8 (7–8.5)

8 (7–9)

0.35

Prostate vol., median (IQR), cc^b

47 (35.3–58.4)

38.5 (32–53.5)

49 (36.5–58)

0.41

Clinical T stage, No. (%)

0.22

    T1c

3 (13)

1 (14)

2 (12)

    T2a

2 (8)

0 (0)

2 (12)

    T2b

3 (13)

1 (14)

2 (12)

    T2c

5 (21)

0 (0)

5 (29)

    T3a

6 (25)

4 (57)

2 (12)

    T3b

5 (21)

1 (14)

4 (24)

Clinical N stage, No. (%)

0.28

    N1

20 (83)

7 (100)

13 (76)

    N0

4 (17)

0 (0)

4 (24)

Clinical M stage, No. (%)

 > 0.99

    M1

12 (50)

3 (43)

9 (53)

    M0

12 (50)

4 (57)

8 (47)