Table 1

Age and Sex Adjusted Arthroplasty and Death Rates (1993/94–1998/99)

Hospital	1993/94	Ratio of arthroplasty rate by yr to 6-yr arthroplasty rate				1998/99	6-yr arthroplasty rate^†	6-yr death rate^†
Hospital	1993/94	1994/95	1995/96	1996/97	1997/98	1998/99	6-yr arthroplasty rate^†	6-yr death rate^†
A	0.98	0.97	1.01	0.91	0.81	1.01	72.6 (562)	6.7 (553)

B	1.02	0.94	1.01	1.00	1.00	0.92	76.6^* (633)	5.5 (611)

C	1.01	0.99	1.07	1.09	0.98	0.80	74.5 (493)	5.5 (473)

D	0.91	0.90	0.95	1.04	1.08	0.93	74.6 (862)	5.1 (844)

E	0.93	1.00	1.09	0.95	0.95	0.92	71.7 (696)	4.0 (675)

F	1.07	1.21	0.93	1.16	1.10	0.90	57.8^* (293)	3.0 (286)

G	1.12	0.86	0.75	1.01	0.86	0.76	69.0 (189)	3.5 (182)

H	1.08	0.93	0.95	1.03	0.95	0.88	78.3 (150)	6.9 (147)

I	1.01	0.96	1.03	0.99	1.12	0.99	60.8^* (318)	4.3 (317)

J^*	0.52	0.83	1.00	0.87	1.17	1.09	59.7^* (80)	5.5 (78)

Alberta	0.98	0.94	0.99	1.01	1.01	1.00	72.0 (4593)	— —

Alberta death rate (no. of patients)^†	6.4 (728)	4.1 (676)	4.0 (771)	6.0 (826)	5.9 (800)	5.3 (750)	— —	4.8 (4475)

↵* Significantly different from the overall rate of 72%
↵† The numbers in parentheses indicate the number of arthroplasties and no. of patients at risk for death.