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. 2009 Aug 23;9:295. doi: 10.1186/1471-2407-9-295

Table 1.

Age distribution of the study samples (N; percentages in parentheses)

German reference men [n = 988] German PC patients with scheduled radiotherapy [n = 121] German PC patients with scheduled radical prostatectomy [n = 371] p-values for differences between German RT and RP patients Canadian PC patients with scheduled radiotherapy [n = 66] Canadian PC patients with scheduled radical prostatectomy [n = 68] p-values for differences between Canadian RT and RP patients
Age [years]
Mean ± SD
56 ± 7.6 67 ± 5.1 63 ± 6.2 p < 0.001* 68 ± 6.3 60 ± 6.3 p < 0.001*

Age category [years] p < 0.001# p < 0.001#
 45–49 253 (26) 0 (0) 13 (4) 1 (2) 1 (1)
 50–54 239 (24) 2 (2) 31 (8) 2 (3) 14 (20)
 55–59 162 (16) 10 (8) 57 (15) 4 (6) 18 (26)
 60–64 166 (17) 26 (22) 117 (32) 9 (14) 17 (25)
 65–69 127 (13) 43 (36) 115 (31) 21 (20) 11 (16)
 70+ 41 (4) 40 (33) 38 (10) 29 (44) 7 (10)

* analysis of variance # chi-square tests