Table 1

Characteristics of cases and controls

mean age (SD)

n (%) male

n (%) female

total n


OS Cases

26.6 (16.5)

54 (56.3)

42 (43.7)

96

All Controls

60.9 (9.9)

904 (63.4)

522 (36.6)

1426

Orthopedic Controls

24.7 (15.1)

34 (54.0)

29 (46.0)

63

PLCO Controls

62.6 (5.2)

870 (63.8)

493 (36.2)

1363


n = number of individuals;

SD = standard deviation;

PLCO = Prostate, lung, colon, ovarian cancer cohort.

Mirabello et al. BMC Cancer 2011 11:209   doi:10.1186/1471-2407-11-209

Open Data