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Table 2 Four years post-diagnosis cumulative incidence of first self-reported ASP in ABCDO, by country and treatment

From: Self-reported arm and shoulder problems in breast cancer survivors in Sub-Saharan Africa: the African Breast Cancer-Disparities in Outcomes cohort study

  No. women with outcome/total (competing deaths) Time at risk (person-years) ASP type-specific cumulative incidence at 4 years since diagnosis (95% CI)
Shoulder/arm pain    
All sites/ethnicities 618/1476 (449) 680 43.0 (40.4–45.6)
Namibia non-black 25/97 (12) 42 26.0 (17.7–35.1)
Namibia black 151/380 (100) 218 40.3 (35.3–45.2)
Uganda 214/418 (119) 174 51.8 (46.9–56.5)
Nigeria 162/383 (141) 168 44.0 (38.7–49.3)
Zambia 66/198 (77) 77 35.1 (28.3–42.0)
Arm stiffness    
All sites/ethnicities 516/1476 (505) 628 35.8 (33.4–38.3)
Namibia non-black 26/97 (13) 34 26.9 (18.5–36.0)
Namibia black 148/380 (106) 209 39.3 (34.3–44.2)
Uganda 184/418 (133) 201 44.7 (39.8–49.5)
Nigeria 106/383 (176) 124 28.8 (24.2–33.6)
Zambia 52/198 (77) 60 27.9 (21.6–34.5)
Arm/hand swelling    
All sites/ethnicities 319/1476 (602) 464 22.5 (20.4–24.8)
Namibia non-black 13/97 (16) 29 13.7 (7.7–21.4)
Namibia black 81/380 (130) 144 21.9 (17.8–26.3)
Uganda 103/418 (180) 122 25.1 (21.0–29.4)
Nigeria 84/383 (191) 120 23.3 (19.0–28.0)
Zambia 38/198 (85) 50 20.4 (15.0–26.5)
  1. ASP arm and shoulder problems, CI confidence interval