Skip to main content

Table 4 Propensity score analysis results 2: Survival impact across quintiles based on the propensity to receive aggressive-approach chemotherapy within 14 days of death among chemotherapy recipients with metastatic non-small cell lung cancer, who survived at least 3 months after their cancer diagnosis (n = 3,534)

From: The effect on survival of continuing chemotherapy to near death

Analysis

Variables

HR

(95%CI)

P-value

Stratified analysis

    

Lowest quintile of PS*

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

1.32

(0.90, 1.92)

0.15

Second quintile of PS

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

1.30

(0.98, 1.72)

0.07

Third quintile of PS

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

1.22

(0.81, 1.84)

0.35

Fourth quintile of PS

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

1.21

(0.94, 1.56)

0.14

Highest quintile of PS†

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

0.85

(0.68, 1.07)

0.16

Multiple Cox regression adjustment using the PS

Standard chemotherapy

1.00

-

-

 

Aggressive-approach chemotherapy

1.21

(1.00, 1.48)

0.05

  1. Abbreviation: HR, hazard ratio; CI, confidence interval; PS, propensity score.
  2. * Patients are least likely to receive "aggressive-approach chemotherapy within 14 days of death."
  3. † Patients are most likely to receive "aggressive-approach chemotherapy within 14 days of death."
Back to article page

BMC Palliative Care

ISSN: 1472-684X

Contact us