Table 3 CUSUM chart calculations
Case | Sex | Age (year) | CUSUM score | Failure model |
|---|---|---|---|---|
1 | M | 60 | −0.29 | |
2 | F | 57 | −0.59 | |
3 | F | 55 | 0.12 | Unexplained pain |
4 | M | 76 | −0.17 | |
5 | F | 49 | 0.53 | Revision for infection |
6 | M | 52 | 0.24 | |
7 | F | 50 | 0.95 | Revision for aseptic loosening |
8 | F | 67 | 0.65 | |
9 | F | 71 | 1.36 | Malposition |
10 | F | 52 | 1.07 | |
11 | M | 75 | 0.77 | |
12 | F | 56 | 0.48 | |
13 | F | 54 | 0.19 | |
14 | F | 61 | 0.89 | Bearing dislocation |
15 | F | 61 | 1.60 | Lateral compartment degeneration |
16 | F | 54 | 2.31 | Bearing dislocation |
17 | M | 74 | 2.01 | |
18 | M | 70 | 1.72 | |
19 | F | 72 | 1.43 | |
20 | M | 73 | 1.13 | |
21 | F | 69 | 0.84 | |
22 | M | 70 | 0.55 | |
23 | F | 70 | 0.25 | |
24 | M | 57 | −0.04 | |
25 | F | 79 | −0.33 | |
26 | F | 65 | −0.63 | |
27 | F | 75 | −0.92 | |
28 | F | 72 | −1.21 | |
29 | M | 61 | −1.51 | |
30 | M | 59 | −1.80 | |
31 | F | 61 | −2.09 | |
32 | M | 64 | −2.39 | |
33 | M | 64 | −2.68 | |
34 | F | 57 | −2.97 | |
35 | F | 76 | −3.27 | |
36 | F | 82 | −3.56 | |
37 | F | 67 | −3.85 | |
38 | F | 62 | −4.15 | |
39 | F | 71 | −4.44 | |
40 | F | 56 | −4.73 | |
41 | M | 57 | −4.03 | Fracture |
42 | F | 70 | −4.32 | |
43 | M | 62 | −4.61 | |
44 | F | 55 | −3.91 | Unexplained pain |
45 | F | 78 | −4.20 | |
46 | F | 58 | −4.49 | |
47 | F | 73 | −4.79 | |
48 | F | 61 | −5.08 | |
49 | F | 70 | −5.37 | |
50 | M | 61 | −5.67 |