Table 3: Amount of iron supplementation and Hb response.

Age groupCalculated iron requirement (mg)
mean ± SD
(median; min–max)
Supplemented iron (mg)
mean ± SD
(median; min–max)
Number of infusionsHb BoS (g/dL)
mean ± SD
(median; min–max)
Hb EoS (g/dL)
mean ± SD
(median; min–max)
Hb (g/dL)
mean ± SD
(median; min–max)
% responder
(Hb >1 g/dL)

76–85 years1210.4 ± 308.4
(1205.6; 1205.6–1724.0)
763.2 ± 297.7
(500; 500–1500)
(1–3)10.42 ± 0.85
(10.3; 8.8–11.8)
11.31 ± 1.17
(11.9; 9.5–14.3)
0.54 ± 1.49
(0.9; 0.0–3.2)
8/17 (41%)

>85 years1022.5 ± 263.7
(1046.4; 500.0–1493.6)
770.8 ± 249.1
(500; 500–1000)
(1-2)11.00 ± 1.52
(10.7; 8.8–13.5)
11.75 ± 0.86
(11.9; 10.2–13)
0.69 ± 1.10
(0.9; 0.0–2.6)
10/21 (48%)

All1105.6 ± 299.2
(1085.6; 478.2–1724.0)
784.4 ± 271.7
(500; 500–1500)
(1–3)10.74 ± 1.30
(10.5; 8.8–13.5)
11.68
(11.35; 8.8–14.3)
0.62 ± 1.58
(0.9; 0.0–3.2)
18/38 (47%)

BoS: beginning of study; EoS: end of study.