Table 5.

The number of patients who received various levels of IV iron over the time at risk in each of the five serum ferritin levels

Serum ferritin level	IV iron level (mg/month)
	0	1 – 202	202.1 – 455	> 455
≤ 100 μg/L	30	23	34	34
100.1 – 300 μg/L	37	75	162	124
300.1 – 600 μg/L	31	65	233	123
600.1 – 1000 μg/L	34	52	291	161
> 1000 μg/L	29	28	161	53