What we should consider to facilitate recovery of the hematological profile in all patients after pancreaticoduodenectomy: the role of preoperative intravenous iron treatment

Table 4 Comparative analysis of clinical outcomes in preoperative non-anemic patients who had preoperative Hb level above 12.0 g/dL

Variables		Preoperative IV iron	No IV iron	p-value
Variables		n = 16 (47.1%)	n = 18 (52.9%)	p-value
Perioperative outcome
Operative time (min)		362.7 ± 45.4	331.8 ± 49.3	0.072
Estimated blood loss (ml)		390 ± 230	310 ± 170	0.249
Length of ICU stay (day)		1 ± 0.1	1.7 ± 0.9	0.012
Length of hospital stay (day)		12.9 ± 7.9	11.1 ± 4.8	0.445
Postoperative transfusion		0	2 (11.1)	0.487
Postoperative morbidities (%)		9 (56.2)	5 (27.8)	0.163
Complication grade^* (%)	Grade I/II	7 (43.8)	4 (22.2)	0.274
	Grade III/IV/V	2 (12.5)	1 (5.6)	0.591
In hospital mortality (%)		0	0

^*Postoperative morbidities were reviewed and classified according to the Clavien-Dindo classification (14). In complications grading system by Clavien-Dindo classification, grade I and II are considered as minor, and grade III to V are defined as major complications

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