. 2005 Jun 4;15(5):648–656. doi: 10.1007/s00586-005-0884-8

Table 6.

Costs of patient’s demands to primary health sector (following lumbar spinal fusion) stratified in gender, diagnosis and reoperation. Aarhus, 1996–2000

		Median cost per patient^c EUR (mean/SE_mean) [range]	P value
Gender	Female (n=58)	247 (622/132)	0.113^d
Gender	Male (n=30)	213 (353/80)
Diagnosis	Isthmic spondylolisthesis (n=32)	274 (469/96)	0.647^e
	Primary degeneration (n=29)	206 (324/59)
	Secondary degeneration^a (n=27)	204 (824/263)
Reoperation^b	Yes (n=3)	334 [203;403]	Not relevant
Reoperation^b	No (n=85)	245 [0;5,875]

^aSecondary to previous surgery

^bWithin period of time from spinal fusion through 24 months follow-up

^cCumulative costs at 24 months postoperative

^d Mann-Whitney U test

^eKruskal-Wallis test