Table 1 Absolute frequencies and rates of knee arthroplasty per 100,000 persons by age group
Age group | Absolute frequencies of knee arthroplasty (Rates per 100,000) | ||
|---|---|---|---|
Male | Female | Total | |
0–40 | 82 (0.5) | 55 (0.4) | 137 (0.5) |
45–49 | 58 (2.7) | 198 (9.6) | 256 (6.1) |
50–54 | 243 (11.1) | 1097 (51.1) | 1340 (30.9) |
55–59 | 621 (36.1) | 3362 (194.5) | 3983 (115.5) |
60–64 | 1128 (95.0) | 7282 (589.0) | 8410 (347.1) |
65–69 | 1994 (219.6) | 12,751 (1259.7) | 14,745 (767.9) |
70–74 | 2385 (306.1) | 16,515 (1662.7) | 18,900 (1066.4) |
75 + | 2633 (326.3) | 16,682 (1089.6) | 19,315 (826.1) |
Overall | 1047.0 (36.2) | 810.1 (229.2) | 882.0 (132.7) |