Table 3 Multivariate logistic regression analysis on bone metastasis from SEER database.

From: Prognosis of prostate cancer and bone metastasis pattern of patients: a SEER-based study and a local hospital based study from China

Character

SEER database

Odds Ratio (95%CI)

P value

Age

<50

ref.

 

50–59

0.833 (0.564-1.231)

0.361

60–69

0.870 (0.595-1.272)

0.473

70–79

0.866 (0.586-1.278)

0.469

>80

1.210 (0.796-1.840)

0.371

Race

White

ref.

 

Black

0.925 (0.777-1.100)

0.377

Asian or Pacific Islander

0.859 (0.643-1.149)

0.307

Marital statusa

Single

ref.

 

Married

0.725 (0.604-0.872)

0.001

Divorced/seprated/window/domestic partner

0.829 (0.664-1.036)

0.100

Rural-urban

  

Urban

ref.

 

Rural

1.186 (1.000-1.405)

0.049

Composite SESb

≤3

ref.

 

4-10

0.836 (0.680-1.027)

0.089

≥11

0.879 (0.687-1.125)

0.307

PSA (ng/mL)

<10

ref.

 

10-20

1.319 (1.069-1.627)

0.010

>20

3.793 (3.209-4.481)

<0.001

Gleason Score

≤6

ref.

 

7

0.932 (0.204-4.256)

0.928

≥8

2.567 (0.713-9.246)

0.149

Gradec

G1

ref.

 

G2

1.568 (0.234-10.523)

0.643

G3

3.028 (0.459-19.937)

0.249

G4

3.062 (0.415-22.594)

0.273

T stage

T1

ref.

 

T2

0.813 (0.678-0.974)

0.025

T3

0.183 (0.152-0.220)

<0.001

T4

0.272 (0.222-0.333)

<0.001

N stage

N0

ref.

 

N1

0.181 (0.157-0.207)

<0.001

Surgery

Yes

ref.

 

Not-Recommended

7.165 (6.144-8.356)

<0.001

Refused

4.462 (3.061-6.505)

<0.001

Radiation

Yes

ref.

 

No

1.757 (1.522-2.029)

<0.001

  1. aDivorced includes separated; Single includes unmarried and widowed.
  2. bComposite socioeconomic status.
  3. cG1: well differentiated; G2: moderately differentiated; G3: poorly differentiated; G4: undifferentiated; NOS: not otherwise specified; SEER: Surveillance, Epidemiology, and End Results.
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