Skip to main content

Table 2 Univariable Poisson regression of breast cancer cases in Kelantan Cancer Registry (n = 549)

From: Modelling excess mortality among breast cancer patients in the North East Region of Peninsular Malaysia, 2007–2011: a population-based study

Variablesβ coefficient (SE)Crude EHR (95% CI)Z statisticsP-value
Age at diagnosisa
  > 500.001.00  
  ≤ 500.37 (0.15)1.44 (1.08, 1.93)2.470.014
Ethnicitya
 Non-Malay0.001.00  
 Malay1.28 (0.35)3.58 (1.81, 7.07)3.675< 0.001
Stagesa
 Stage І0.001.00  
 Stage ІІ−0.65 (0.30)0.52 (0.29, 0.94)−2.150.031
 Stage ІІІ0.82 (0.23)2.28 (1.46, 3.54)3.65< 0.001
 Stage IV1.89 (0.20)6.60 (4.50, 9.69)9.65< 0.001
Morphologya
 Others0.001.00  
 Infiltrating ductal carcinoma, NOS−0.38 (0.17)0.69 (0.49, 0.96)−2.200.028
Surgerya
 No0.001.00  
 Yes−0.84 (−0.15)0.43 (0.32, 0.58)−5.61< 0.001
Radiotherapyb
 No0.001.00  
 Yes−0.43 (−0.20)0.65 (0.44, 0.96)−2.150.031
Chemotherapyb
 No0.001.00  
 Yes0.20 (0.15)1.23 (0.92, 1.64)1.370.170
  1. aTime interval used (in year): 0.00, 0.08, 0.17, 0.25, 0.33, 0.42, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 7.00, 8.00, 9.00, 10.00
  2. bTime interval used (in year): 0.00, 0.08, 0.17, 0.25, 0.33, 0.42, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 7.00, 10.00
  3. EHR excess hazard ratio, NOS not otherwise specified