Table 5.

Rates of mortality stratified by diagnosis.

Diagnosis	N	No. of Deaths	Mortality	Odds Ratio
Disc displacement	169 366	158	0.09%	0.62 (0.49–0.78)
Stenosis	176 653	246	0.14%	0.48 (0.40–0.58)
Disc degeneration	225 245	194	0.09%	0.47 (0.38–0.58)
Spondylolisthesis	117 872	123	0.10%	0.50 (0.39–0.64)
Postlaminectomy syndrome	24 544	26	0.11%	0.53 (0.32–0.88)
Fracture	24 560	245	0.99%	5.17 (4.30–6.30)
Scoliosis	64 548	176	0.27%	0.89 (0.71–1.11)
Sacroilitis	926	1	0.11%	0.77 (0.11–5.47)
Cord injury	235	6	2.14%	10.93 (3.81–31.34)