Table 1

Patient	Baseline Haemoglobin (g/dL)	Preoperative Haemoglobin (g/dL)	Change in Haemoglobin (g/dL)	Dose of Cosmofer (mg)	Location of Tumour	Histopathology (TNM classification)	Length of Stay (days)	Perioperative transfusion rate (No. Of units)	30 day post-operative morbidity	30 day post-operative mortality
1	9.9	10.2	0.3	1295	Left colon	T2N1M0	16	1	Respiratory acidosis and atrial flutter	No
2	7.1	10.4	3.3	1500	Transverse colon	T4N2M0	13	2	N/A	No
3	9.7	12	2.3	1200	Right colon	T3N0M0	6	0	N/A	No
4*	12.6	13.3	0.7	800	Rectum	T2N1M0	10	0	N/A	No
5	11	10.4	-0.6	1300	Right colon	T4N0M0	7	0	N/A	No
6	10	10.3	0.3	900	Right colon	T4N2M1	6	1	N/A	No
7	12	12.7	0.7	800	Right colon	T3N0M0	6	0	N/A	No
8	12.1	11.8	-0.3	900	Transverse colon	TVA with high grade dysplasia	13	0	Multi-organ failure secondary to SBO	Yes
9	8.1	9.6	1.5	1360	Rectum	TisN0M0	1	0	N/A	No
10	8.6	11.4	2.8	880	Right colon	T4N0M0	11	1	N/A	No
Mean	10.1	11.2	1.1	1093.5			8.9

Table 1: Patient baseline, preoperative and change in haemoglobin values, Intravenous iron dose, Location and stage of tumour, Length of hospital stay, Transfusion rate, 30 day postoperative morbidity and mortality. TVA (Tubulovillous adenoma), SBO (Small bowel obstruction), *denotes patient receiving preoperative chemotherapy.