Papers
Relation between socioeconomic status and tumour stage in patients with breast, colorectal, ovarian, and lung cancer: results from four national, population based studies
BMJ 2001; 322 doi: https://doi.org/10.1136/bmj.322.7290.830 (Published 07 April 2001) Cite this as: BMJ 2001;322:830Data supplement
Availability of medical records by socioeconomic statusDeprivation group*
Total Affluent Middle Deprived Breast cancer n=573 n=1700 n=393 n=2667 Eligible for analysis 548 (95.6) 1605 (94.4) 364 (92.6) 2518† (94.4) Not available 25 (4.4) 95 (5.6) 29 (7.4) 149 (5.6) Significance χ2= 4.02, df = 2, P = 0.13 Colorectal cancer n=657 n=1916 n=495 n=3071 Eligible for analysis 590 (89.8) 1734 (90.5) 453 (91.5) 2778† (90.5) Not available 67 (10.2) 182 (9.5) 42 (8.5) 293‡ (9.5) Significance χ2= 0.97, df = 2, P = 0.62 Ovarian cancer n=335 n=942 n=244 n=1522 Eligible for analysis 304 (90.7) 856 (90.9) 226 (92.6) 1387† (91.1) Not available 31 (9.3) 86 (9.1) 18 (7.4) 135 (8.9) Significance χ2= 0.81, df = 2, P = 0.67 Lung cancer n=574 n=2575 n=1076 n=4225 Eligible for analysis 534 (93.0) 2371 (92.1) 950 (88.3) 3855 (91.2) Not available 40 (7.0) 204 (7.9) 126 (11.7) 370 (8.8) Significance χ2= 16.29, df = 2, P <0.001 *Carstairs deprivation categories: 1 and 2, affluent; 3, 4, and 5, middle; 6 and 7, deprived.
†Deprivation score could not be assigned for one case.
‡Deprivation score could not be assigned for two cases.
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