Table 1. Clinical data of 11 patients whom required prolonged intubation or reintubation.

Patient No.		Age, yr	Sex	Op. indication (diagnosis)	Medical comorbidity	Op. type	Op. time, min	EBL, mL	Intra op. cervical level fusion	Time to extubation, hra	Time to reintubation, hr
Prolonged intubation (≥ 24 hr)
	1	63	M	Degenerative	HTN, DM	ACDF	200	70	1	24	n/a
	2	45	M	OPLL	(–)	ACCF	280	300	2	26	n/a
	3	58	F	Degenerative	DM	ACDF	240	200	2	40	n/a
	4	52	F	Degenerative	HTN	ACDF	300	100	2	96	n/a
	5	49	F	Degenerative	(–)	ACCF	360	100	2	24	n/a
	6	74	F	Degenerative	HTN, DM	ACDF	330	100	1	72	n/a
	7	71	F	Infection	HTN, DM	ACCF	300	400	2	250	n/a
Reintubation
	8	50	M	Tumor	Asthma	ACCF	375	400	2	20	83
	9	73	M	Degenerative	DM	ACDF	240	80	1	Immediate	108
	10	67	F	Degenerative	HTN, DM, CRF	ACDF	180	50	1	Immediate	21
	11	80	F	Degenerative	(–)	ACDF	180	100	1	4	31

Op. = operation, EBL = estimated blood loss, HTN = hypertension, DM = diabetes mellitus, ACDF = anterior cervical discectomy and fusion, n/a = not applicable, OPLL = ossification of the posterior longitudinal ligament, ACCF = anterior cervical corpectomy and fusion, CRF = chronic renal failure.

^aElapsed time to extubate the patient after the initial operation in reintubation cases.