Table 4 Year to year correlation coefficients (95% confidence interval) for detection rate and conversion rate from GP practices in England
Year to year correlation (95% confidence interval) a | ||||
|---|---|---|---|---|
Cancer Cases (per year) | Years | Practices | Detection rate | Conversion rate |
N=6–25 | 2010 vs 2011 | 1353 | 0.21 (0.15 to 0.26) | 0.60 (0.56 to 0.63) |
2011 vs 2012 | 1384 | 0.16 (0.11 to 0.22) | 0.60 (0.56 to 0.64) | |
2012 vs 2013 | 1401 | 0.16 (0.11 to 0.21) | 0.60 (0.56 to 0.64) | |
N=26–50 | 2010 vs 2011 | 2416 | 0.28 (0.24 to 0.32) | 0.48 (0.45 to 0.51) |
2011 vs 2012 | 2471 | 0.20 (0.16 to 0.24) | 0.52 (0.49 to 0.55) | |
2012 vs 2013 | 2443 | 0.22 (0.18 to 0.26) | 0.53 (0.50 to 0.56) | |
N=51–75 | 2010 vs 2011 | 875 | 0.29 (0.23 to 0.35) | 0.55 (0.50 to 0.59) |
2011 vs 2012 | 1008 | 0.22 (0.16 to 0.27) | 0.50 (0.45 to 0.54) | |
2012 vs 2013 | 1108 | 0.21 (0.15 to 0.26) | 0.52 (0.47 to 0.56) | |
N>75 | 2010 vs 2011 | 250 | 0.33 (0.20 to 0.45) | 0.58 (0.48 to 0.67) |
2011 vs 2012 | 316 | 0.29 (0.19 to 0.39) | 0.55 (0.46 to 0.62) | |
2012 vs 2013 | 394 | 0.35 (0.27 to 0.43) | 0.63 (0.56 to 0.69) | |
All practices | 2010 vs 2011 | 4894 | 0.26 (0.23 to 0.29) | 0.53 (0.51 to 0.55) |
2011 vs 2012 | 5179 | 0.20 (0.17 to 0.22) | 0.54 (0.52 to 0.57) | |
2012 vs 2013 | 5346 | 0.21 (0.19 to 0.24) | 0.55 (0.53 to 0.57) | |
All NHS Grampian | 2006 vs 2007 | 38 | 0.26 (−0.07 to 0.55) | 0.3 (−0.01 to 0.58) |
2007 vs 2008 | 41 | 0.47 (0.2 to 0.66) | 0.48 (0.21 to 0.68) | |
2008 vs 2009 | 62 | 0.25 (−0.01 to 0.42) | 0.47 (0.27 to 0.61) | |
2009 vs 2010 | 74 | 0.28 (0.09 to 0.44) | 0.41 (0.16 to 0.61) | |
2010 vs 2011 | 72 | −0.01 (−0.24 to 0.21) | 0.05 (−0.18 to 0.25) | |
2011 vs 2012 | 73 | 0.1 (−0.11 to 0.33) | 0.2 (−0.01 to 0.39) | |
