Skip to main content

Table 1 Clinicopathological characteristics of patients across different BMI categories

From: Body mass index is associated with higher Gleason score and biochemical recurrence risk following radical prostatectomy in Chinese men: a retrospective cohort study and meta-analysis

Variables

Total subject

BMI <23 kg/m2

BMI 23–24.9 kg/m2

BMI ≥25 kg/m2

P valuea

No. of patients (%)

211

75(35.5)

71(33.6)

65(30.8)

 

BMI (kg/m2)

    

<0.001

 Median (IQR)

23.9(3.4)

21.4(2.2)

24.2(1.1)

26.4(1.9)

 

 Range

16.1–30.1

16.1–22.9

23.0–24.9

25.0–30.1

 

Age (years)

    

0.373

 Median (IQR)

68(8)

67(11)

70(9)

67(8)

 

 Range

47–86

48–86

56–83

47–81

 

Preoperative PSA (ng/ml)

    

0.607

 Median (IQR)

13.4(11.9)

13.5(15.0)

14(10.3)

11.5(13.1)

 

 Range

1.4–293.3

1.7–293.3

1.4–62.5

2.3–85.6

 

Prostate volume (ml)

    

0.326

 Median (IQR)

36(16)

37(13)

36(17)

35.5(18)

 

 Range

12–98

13–89

19–98

12–91

 

Positive DRE finding (%)

68(67.6)

23(31.1)

24(33.8)

21(32.3)

0.94

TRUS nodule (%)

106(50.7)

31(41.9)

44(62.0)

31(48.4)

0.049

Clinical stageb (%)

    

0.156

 cT1

100(47.8)

41(55.4)

28(39.4)

31(48.4)

 

 ≥cT2

109(52.2)

33(44.6)

43(60.6)

33(51.6)

 

Biopsy GS (%)

    

0.222

 ≤6

82(38.9)

35(46.7)

25(35.3)

22(33.8)

 

 ≥7

129(61.1)

40(53.3)

46(64.8)

43(66.2)

 

Pathological GS (%)

    

0.303

 ≤6

65(30.8)

28(37.3)

20(28.2)

17(26.2)

 

 ≥7

146(69.2)

47(62.7)

51(71.8)

48(73.8)

 

Positive surgical margin (%)

26(12.3)

9(12.0)

4(5.6)

13(20.0)

0.039

Extra capsular invasion (%)

31(14.7)

13(17.3)

8(11.3)

10(15.4)

0.575

Seminal vesicle invasion (%)

24(11.4)

13(17.3)

4(5.6)

7(10.8)

0.083

Lymph node invasion (%)

5(2.4)

2(2.7)

1(1.4)

2(3.1)

0.797

  1. BMI body mass index, IQR interquartile range, PSA prostate-specific antigen, DRE digital rectal examination, TRUS transrectal ultrasound, GS Gleason score
  2. aAll P values were calculated using Kruskal-Wallis test for continuous variables and chi-squared test for categorical variables
  3. bThe clinical stage of two patients was missing according to medical records