Table 3

Univariable and multivariable costs of care

VariableTotal cost, mean, $p valueMultivariable adjusted regression coefficient, $ (95% CI)p value
Age, yr
 < 5629 132< 0.010 (ref.)
 56–6530 4751385 (996 to 1775)< 0.01
 66–7531 8491057 (659 to 1455)< 0.01
 ≥ 7631 837−1024 (−1482 to −565)< 0.01
Gender
 Female29 514< 0.010 (ref.)
 Male32 3235195 (4799 to 5591)< 0.01
Charlson Comorbidity Index score
 023 611< 0.010 (ref.)
 128 1634186 (3507 to 4865)< 0.01
 ≥ 241 40416 961 (16 595 to 17 326)< 0.01
 No Score20 874−3464 (−3867 to −3060)< 0.01
Cancer site
 Breast29 897< 0.010 (ref.)
 Lung40 748−142 (−835 to 551)0.69
 Prostate18 812−19 066 (−19 748 to −18 385)< 0.01
 Genitourinary27 572−11 787 (−12 390 to −11 184)< 0.01
 Gastrointestinal38 649−3946 (−4483 to −3410)< 0.01
 Gynaecological25 592−9293 (−9850 to −8736)< 0.01
 Other31 477−142 (−5481 to −4546)< 0.01
Income quintile
 Quintile 1 (lowest)32 632< 0.010 (ref.)
 231 000−857 (−1318 to −396)< 0.01
 330 515−1081 (−1538 to −624)< 0.01
 429 800−1610 (−2074 to −1146)< 0.01
 Quintile 5 (highest)29 396−1737 (−2196 to −1279)< 0.01
LHIN region
 Toronto35 849< 0.010 (ref.)
 West30 667−5572 (−5989 to −5155)< 0.01
 Central27 565−8182 (−8630 to −7734)< 0.01
 East28 138−7593 (−8038 to −7148)< 0.01
 North32 421−5725 (−6418 to −5031)< 0.01
Cohort
 Control30 573< 0.010 (ref.)
 Cancelled35 5681100 (3 to 2196)0.049
  • CI = confidence interval; LHIN = Local Health Integration Network; ref. = reference.