Table 1 Demographic characteristics of the study population

Cases (n = 200) age median (min-max) in years.

64.50 (49–85) *

Controls (n = 200) age median (min-max) in years.

65.50 (50–75) *

T1-2, n (%)

102 (51.0)

T3-4, n (%)

98 (49.0)

N0, n (%)

134 (67.0)

N1-3, n (%)

66 (33.0)

M0, n (%)

197 (98.5)

M1, n (%)

3 (1.5)

G1-2, n (%)

166 (83.0)

G3-4, n (%)

34 (17.0)

ST I-II, n (%)

97 (48.5)

ST III-IV, n (%)

103 (51.5)

*P = 0.073