Table 1 Demographic and clinicopathological variables of patients receiving intravenous iron infusions prior to elective colorectal surgery for cancer (n = 52)
Characteristic | n (%) |
|---|---|
Total | 52 (100) |
Patient characteristics | |
Sex | |
Male | 30 (58) |
Female | 22 (42) |
Age (years) | |
< 65 | 9 (17) |
65–75 | 15 (29) |
> 75 | 28 (54) |
ASA | |
1 | 2 (4) |
2 | 26 (50) |
3 | 22 (42) |
4 | 2 (4) |
Pathologic and surgical characteristics | |
TNM stage | |
1 | 7 (12) |
2 | 24 (47) |
3 | 18 (35) |
4 | 3 (6) |
Tumour site | |
Right colon | 38 (72) |
Left colon | 7 (14) |
Rectum | 7 (14) |
Approach | |
Open | 25 (48) |
Laparoscopic | 27 (52) |
Haematological variables | |
Pre-infusion Hb (mg/L) | |
Median (range) | 103 (65–123) |
Pre-infusion anaemia* | |
Yes | 52 (100 |
No | 0 (0) |
Pre-infusion ferritin (μg/L) | |
Median (range) | 18 (3–302) |
< 30 | 36 (74) |
30–100 | 7 (14) |
> 100 | 6 (12) |
Pre-infusion CRP (mg/L) | |
Median (range) | 6 (1–113) |
≤ 5 | 24 (50) |
> 5 | 24 (50) |
Total IV iron dose (mg) | |
1000 | 17 (36) |
1500 | 21 (45) |
2000 | 9 (19) |
Days from infusion to surgery | |
Median (range) | 24 (1–83) |
Haematological outcomes | |
Post-infusion change (∆) in Hb (mg/L) | |
Median (range) | 12 (− 15 to 63) |
Anaemia ‘corrected’$ | |
Yes | 8 (15) |
No | 44 (85) |