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Table 6 Incidence and risk of delayed graduation by anemia status, overall and stratified by sex

From: Prevalence and Impact of Anemia on Basic Trainees in the US Air Force

  Overall Female Male
  N (%) RR (95 % CI) N (%) RR (95 % CI) N (%) RR (95 % CI)
Non-anemic 761 (4.9 %) 1.00 [ref] 177 (6.4 %) 1.00 [ref] 584 (4.6 %) 1.00 [ref]
Borderline anemia 118 (10.3 %) 2.09 (1.74–2.52) 64 (12.8 %) 2.00 (1.53–2.62) 54 (8.3 %) 1.82 (1.39–2.38)
Moderate anemia 118 (12.8 %) 2.61 (2.18–3.14) 58 (13.8 %) 2.17 (1.64–2.86) 60 (12.0 %) 2.61 (2.04–3.36)
Severe anemia 16 (16.7 %) 3.40 (2.16–5.34) 11 (17.5 %) 2.73 (1.57–4.76) 5 (15.2 %) 3.31 (1.47–7.44)