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Table 3 Concentration index values for conservative and non conservative surgery

From: Income level and regional policies, underlying factors associated with unwarranted variations in conservative breast cancer surgery in Spain

Age-groups

Concentration Index ranked by income (CI95%)

Concentration Index ranked by educational level (CI95%)

All years CS

0.12 (0.09 to 0.14) ‡

0.05 (0.01 to 0.09) ‡

All years NCS

-0.03 (-0.05 to -0.007) ‡

-0.02 (-0.04 to 0.001)

< 50 years CS

0.10 (0.07 to 0.14) ‡

0.04 (0.01 to 0.08) ‡

< 50 years NCS

-0.02 (-0.05 to -0.002) ‡

-0.01 (-0.03 to 0.01)

50-70 years CS

0.12 (0.09 to 0.15) ‡

0.05 (0.01 to 0.10) ‡

50-70 years NCS

-0.04 (-0.06 to -0.01) ‡

-0.02 (-0.05 to 0.01)

> 70 years CS

0.13 (0.09 to 0.17) ‡

0.04 (-0.02 to 0.11)

> 70 years NCS

-0.02 (-0.04 to 0.006)

-0.02 (-0.05 to 0.007)

  1. CS: Conservative Surgery; NCS: Non-conservative surgery. CI95%: Concentration index confidence interval assuming a type I error of 5%. ‡ Statistical significance