Availability of medical records by socioeconomic status

     

    Deprivation 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
    c2= 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
    c2= 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
    c2= 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
    c2= 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.