Clinical outcomes and prediction nomogram model for postoperative hemoglobin < 80 g/L in patients following primary lumbar interbody fusion surgery

Table 1 Association between postoperative Hb and outcomes

Outcomes	Postoperative Hb < 70 g/L	Postoperative Hb of 70–79 g/L	Postoperative Hb ≥ 80 g/L
Postoperative blood transfusion	23/29*^#	29/54*	5/643
Length of stay (d)	17.3 ± 3.6*	15.7 ± 3.9*	12.8 ± 3.6
Wound complications	7/29*	9/54*	31/643
Hospitalization costs (ten thousand RMB)	8.0 ± 3.5*	7.8 ± 3.2*	5.7 ± 1.2

Hb hemoglobin
^*Statistically significant differences from the Postoperative Hb ≥ 80 g/L are shown (P < 0.05)
^#Statistical difference compared with Postoperative Hb of 70–79 g/L

ISSN: 1749-799X