Table 3 Analysis of prognostic factors associated with OS

Karnofsky

 ≥ 90

1

-

1

 < 90

2.452 (2.085 – 2.883)

 < 0.0001

0.616 (0.085)

1.851 (1.566 – 2.188)

 < 0.0001

Age (years)

 ≥ 60

1

-

1

 < 60

0.907 (0.781 – 1.053)

0.201

-0.225 (0.082)

0.798 (0.679 – 0.938)

0.006

Marital status

 Single, widowed or divorced

1

-

1

 Married or common-law union

1.133 (0.998 – 1.286)

0.053

-0.043 (0.066)

0.958 (0.841 – 1.092)

0.522

Education level

 No studies

1

-

1

 Elementary school or higher

0.865 (0.761 – 0.983)

0.027

-0.085 (0.071)

0.918 (0.799 – 1.056)

0.231

Area of residence

 Urban

1

-

1

 Rural o suburban

0.848 (0.745 – 0.965)

0.013

-0.316 (0.071)

0.729 (0.635 – 0.838)

 < 0.0001

SES

 3–6

1

-

1

 1–2

1.049 (0.752 – 1.463)

0.78

0.272 (0.08)

1.315 (1.123 – 1.539)

0.001

Clinical stage of CC

 ES

1

-

1

 LAS

5.316 (3.819 – 7.401)

 < 0.0001

1.635 (0.169)

5.131 (3.683 – 7.149)

 < 0.0001

 AS, recurrent and persistent

19.666 (13.87 – 27.884)

 < 0.0001

2.707 (0.181)

14.982 (10.512 – 21.353)

 < 0.0001

Cancer treatment

 Treatment

1

-

1

 No treatment

9.975 (8.141 – 12.222)

 < 0.0001

1.9 (0.109)

6.686 (5.405 – 8.272)

 < 0.0001