Table 2 Cases and deaths of breast cancer averted & lifetime costs (million US$) of breast cancer saved by optimal scenario 1 (90% parous women breastfeed partially or exclusively for 12 months) & optimal scenario 2 (90% parous women breastfeed exclusively for 6 months) for a cohort of 33,500 Hong Kong women aged 20 years in 2018
From: Potential cost-savings of breastfeeding promotion to prevent breast cancer: a Monte Carlo simulation
Cases | Deaths | DALYs | Lifetime costs+ | |||||
|---|---|---|---|---|---|---|---|---|
Base^/Optimal | Averted (95% CI) | Base^/Optimal | Averted (95% CI) | Base^/Optimal | Averted (95% CI) | Base^/Optimal | Averted (95% CI) | |
Scenario 1 (90% parous women breastfeed partially or exclusively for 12 months) | ||||||||
Stage I | 1594/1558 | 36(33, 39) | 85/83 | 2 (1, 2) | 2078/2036 | 42 (32, 52) | 15.49/15.16 | 0.34 (0.3, 0.37) |
Stage II | 411/403 | 9(7, 10) | 24/24 | 0 (0, 1) | 567/556 | 11 (6, 16) | 4.01/3.93 | 0.08 (0.07, 1) |
Stage III | 334/325 | 9(7, 10) | 23/22 | 0 (0, 1) | 506/495 | 10 (5, 16) | 3.72/3.63 | 0.09 (0.08, 0.11) |
Stage IV | 232/227 | 5(4, 6) | 44/42 | 1 (1, 2) | 755/734 | 21 (14, 28) | 6.79/6.65 | 0.14 (0.10, 0.17) |
Total | 2571/2513 | 59(54, 62) | 176/173 | 3 (3, 5) | 3908/3834 | 84 (70, 100) | 30.02/29.37 | 0.65 (0.60, 0.70) |
Scenario 2 (90% parous women breastfeed exclusively for 6 months) | ||||||||
Stage I | 1584/1419 | 164 (159, 169) | 85/76 | 9 (8, 9) | 2077/1865 | 212 (201, 223) | 15.39/13.81 | 1.58 (1.53, 1.63) |
Stage II | 411/367 | 44 (42, 46) | 24/21 | 3 (2, 3) | 570/508 | 62 (57, 67) | 3.99/3.58 | 0.43 (0.41, 0.45) |
Stage III | 332/298 | 35 (33, 36) | 23/20 | 2 (2, 3) | 510/455 | 55 (49, 60) | 3.71/3.32 | 0.38 (0.36, 0.4) |
Stage IV | 229/206 | 23 (22, 24) | 43/39 | 4 (3, 4) | 740/670 | 70 (62, 77) | 6.74/6.07 | 0.68 (0.64, 0.71) |
Total | 2556/2290 | 266 (259, 273) | 174/158 | 18 (17, 19) | 3897/3498 | 399 (381, 416) | 29.83/26.78 | 3.07 (2.98, 3.15) |