Table 29.1 Charnock Richard: observed (0) and expected (E) numbers of cases, OIE ratios and 95% confidence intervals within bands 3 km and 3-10 km of the site, without and with stratification by Carstairs' index. Five- and ten-year lag periods, males and females combined, cancer of the larynx and lung No. of cases 95% confidence interval Site of Lag Carstairs' Band OIE cancer period (yr) stratified (km) Observed Expected ratio Lower Upper Larynx 5 No 0-3 6 4.2 1.43 0.52 3.12 5 No 3-10 76 80.0 0.95 0.75 1.19 10 No 0-3 1 1.6 0.64 0.01 3.55 10 No 3-10 27 30.0 0.90 0.59 1.31 5 Yes 0-3 6 3.8 1.57 0.58 3.42 5 Yes 3-10 76 78.8 0.96 0.76 1.21 10 Yes 0-3 1 1.4 0.70 0.02 3.89 10 Yes 3-10 27 29.5 0.91 0.60 1.33 Lung 5 No 0-3 58 75.3 0.77 0.58 1.00 5 No 3-10 1418 1433.7 0.99 0.94 1.04 10 No 0-3 24 31.8 0.75 0.48 1.12 10 No 3-10 607 605.6 1.00 0.92 1.09 5 Yes 0-3 58 69.3 0.84 0.64 1.08 5 Yes 3-10 1418 1419.3 1.00 0.95 1.05 10 Yes 0-3 24 29.2 0.82 0.53 1.22 10 Yes 3-10 607 599.7 1.01 0.93 1.10 Table 29.2 Pooled analysis: observed (0) and expected (E) numbers of cases, OIE ratios and 95% confidence intervals within bands 3 km and 3-10 km of the sites, without and with stratification by Carstairs' index. Five- and ten-year lag periods, males and females combined, cancer of the larynx and lung No. of cases 9507o confidence interval Site of Lag Carstairs' Band -- OIE cancer period (yr) stratified (km) Observed Expected ratio Lower Upper Larynx 5 No 0-3 48 44.5 1.08 0.79 1.43 5 No 3-10 342 321.0 1.07 0.96 1.19 10 No 0-3 20 19.0 1.05 0.64 1.63 10 No 3-10 50 57.3 0.87 0.65 1.15 5 Yes 0-3 48 46.0 1.04 0.77 1.38 5 Yes 3-10 342 330.3 1.04 0.93 1.15 to Yes 0-3 20 18.5 1.08 0.66 1.67 10 Yes 3-10 50 53.2 0.94 0.70 1.24 Lung 5 No 0-3 914 907.8 1.01 0.94 1.07 5 No 3-10 6659 6437.5 1.03 1.01 1.06 10 No 0-3 361 393.5 0.92 0.83 1.02 10 No 3-10 1054 1149.4 0.92 0.86 0.97 5 Yes 0-3 914 943.7 0.97 0.91 1.03 5 Yes 3-10 6659 6660.5 1.00 0.98 1.02 10 Yes 0-3 361 385.7 0.94 0.84 1.04 10 Yes 3-10 1054 1072.4 0.98 0.92 1.04 Source: author = "P. Elliot and J. A. Beresford and D. J. Jolley and S. H. Pattenden and M. Hills", title = "Geographical and Environmental Epidemiology: Methods for Small-Area Studies", chapter = "Cancer of the larynix and lung near incinerators of waste solvents and oils in Britain", publisher = "Oxford University Press", year = "1992", editor = "P. Elliot and J. Cuzick and D. English and R. Stern",