[Retracted] Detection and Analysis of Perfusion Pressure through Measuring Oxygen Saturation and Requirement of Dural Incision Decompression after Laminectomy

Table 1

A clinical summary of patients (laminectomy followed by spinal blood oxygen saturation measurement).

Cases	Age	Gender	Injury mechanism	Operation level	ASIA (preoperative)	ASIA (postoperative)	Time of operation	Oxygen saturation
1	35 y	M	Fall	C2–C6	D	D	102 hours	Normal
2	55 y	M	Fall	C2–C6	A	B	24 hours	Normal
3	64 y	F	Fall	C3–C5	A	A	30 hours	Normal
4	58 y	M	Fall	C3–C6	A	Died	24 hours	Normal
5	52 y	F	Fall	C3–C6	A	B	64 hours	Normal
6	57 y	M	Head injury by heavy object	C2–C6	A	D	29 hours	Normal
7	56 y	M	RTA	C3–C6	C	—	3.18 hours	Normal
8	66 Y	M	NS	C3–C6	D	—	16 days	Failed to measure

ASIA impairment scale: American Spinal Injury Association impairment scale; M: male; F; female; RTA: road traffic accident.