Table 5.

Distribution of in-hospital complications in patients managed surgically

	Patients (n)
	A	B	C	D	Total
In-hospital death		1	1		2
Pneumonia	3	3	1	2	9
Pleuritis	2	3		2	7
Hypersensitivity reaction to dicloxacillin	2	2		1	5
Atrial fibrillation		4			4
Renal failure		3	1		4
Deep venous thrombosis		2		1	3
Ileus/bowel obstruction	1		1		2
Ischemic brain stroke		2			2
Meningitis	1				1
Pneumothorax (due to central venous catheter)	1				1
Pyelonefritis		1			1

A posterior decompression alone, B posterior decompression and pedicle screw instrumentation, C anterior debridement alone, D anterior debridement was combined with pedicle screw instrumentation