Algorithm | ICDA-8 Period (1975-1979) | ICD-9 Period (1980-2004) | ICD-9/10 Period (2005 onwards)a | |||
---|---|---|---|---|---|---|
Average Rate | Average Annual Rate Change | Average Rate | Average Annual Rate Change | Average Rate | Average Annual Rate Change | |
Incidence | ||||||
 1: 1 + H or 1 + P | 87.38 | −0.32 | 98.31 | 2.36 | 134.80 | 0.67 |
 1: 1 + H or 2 + P | 26.76 | −0.79 | 29.22 | 0.99 | 51.69 | 1.93 |
 1: 1 + H or 3 + P | 18.22 | 0.32 | 23.01 | 0.67 | 40.47 | 1.57 |
 1: 1 + H or 4 + P | 16.70 | 0.23 | 20.07 | 0.75 | 35.74 | 1.39 |
 2: 1 + H or 1 + P | 175.38 | −9.46 | 200.75 | 4.63 | 276.18 | 1.30 |
 2: 1 + H or 2 + P | 54.72 | −3.87 | 62.85 | 1.72 | 114.45 | 3.85 |
 3: 1 + H or 1 + P | 261.95 | −12.38 | 309.36 | 6.74 | 424.79 | −0.58 |
 3: 1 + H or 2 + P | 82.45 | −5.05 | 100.45 | 2.68 | 182.26 | 5.03 |
 1: 1 + P | 86.50 | −0.01 | 97.59 | 2.32 | 133.88 | 0.61 |
 1: 2 + P | 12.80 | 0.67 | 16.69 | 0.82 | 35.40 | 1.56 |
 2: 1 + P | 173.77 | −8.84 | 199.43 | 4.57 | 274.02 | 1.21 |
 2: 2 + P | 31.97 | −1.29 | 43.25 | 1.40 | 89.44 | 3.52 |
 2: 3 + P | 22.44 | 0.20 | 31.46 | 1.12 | 64.31 | 2.40 |
 2: 4 + P | 16.69 | 0.05 | 24.11 | 0.92 | 47.83 | 2.10 |
 2: 5 + P | 12.77 | 0.39 | 17.07 | 0.70 | 34.10 | 1.88 |
Prevalence | ||||||
 1: 1 + H or 1 + P | 180.09 | 0.47 | 213.67 | 5.49 | 349.73 | 5.58 |
 1: 1 + H or 2 + P | 104.60 | −0.55 | 127.97 | 3.77 | 244.72 | 6.51 |
 1: 1 + H or 3 + P | 85.42 | −0.63 | 99.48 | 2.40 | 202.88 | 6.56 |
 1: 1 + H or 4 + P | 73.62 | 0.09 | 74.61 | 1.38 | 142.33 | 5.81 |
 2: 1 + H or 1 + P | 276.62 | −9.59 | 323.62 | 7.92 | 499.01 | 5.63 |
 2: 1 + H or 2 + P | 146.55 | −4.22 | 177.70 | 4.82 | 322.96 | 7.96 |
 3: 1 + H or 1 + P | 366.82 | −13.33 | 435.26 | 10.00 | 651.70 | 4.65 |
 3: 1 + H or 2 + P | 178.73 | −5.12 | 219.52 | 5.85 | 394.79 | 9.48 |
 1: 1 + P | 178.64 | 1.09 | 212.60 | 5.43 | 348.53 | 5.47 |
 1: 2 + P | 84.18 | 1.37 | 111.15 | 3.46 | 223.79 | 6.12 |
 1: 3 + P | 61.25 | 1.53 | 74.05 | 2.27 | 168.32 | 5.44 |
 1: 4 + P | 39.86 | 1.05 | 38.30 | 0.56 | 79.70 | 3.61 |
 2: 1 + P | 274.52 | −8.66 | 322.03 | 7.86 | 496.59 | 5.54 |
 2: 2 + P | 120.45 | −1.41 | 155.94 | 4.47 | 295.29 | 7.61 |
 2: 3 + P | 101.23 | 0.27 | 134.93 | 4.10 | 260.28 | 6.53 |
 2: 4 + P | 85.69 | 2.64 | 114.84 | 3.62 | 231.71 | 6.32 |
 2: 5 + P | 73.78 | 2.56 | 90.84 | 3.02 | 198.22 | 6.56 |