Table 5.

Preoperative labs in amputation versus limb salvage.

	Amputation	Limb salvage	p value
	N = 248	N = 863
	Median (IQR)	Median (IQR)
Hematocrit (%)	36.7 (31.7–41.7)	39.0 (35.0–42.4)	<0.0001
WBC (10^9/L)	7.6 (5.7–9.5)	6.6 (5.3–8.1)	<0.0001
Platelets (10^9/L)	257 (207–346)	243 (198–291)	0.0027
INR	1.1 (1.0–1.2)	1.01 (1.0–1.1)	<0.0001
PTT (sec)	31.0 (28.1–35.3)	29.9 (27.5–32.3)	0.002
Alk. phosphatase (U/L)	88 (71–119)	79 (64–100)	0.001
Sodium (mEq/L)	139 (137–141)	140 (138–141)	0.009
Albumin (g/dL)	3.8 (3.1–4.2)	4.1 (3.8–4.4)	<0.0001
BUN (mg/dL)	14 (10–20)	15 (12–19)	0.328
Creatinine (mg/dL)	0.8 (0.7–1.0)	0.9 (0.7–1.0)	0.232
AST (U/L)	22 (17–31)	22 (18–28)	0.871
Bilirubin (mg/μL)	0.5 (0.3–0.7)	0.5 (0.3–0.6)	0.838