Table 4.

Tumor stage at diagnosis 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
Tumour stage at diagnosis	Not applicable			p < 0.001#			p = 0.008#
T1		28 (23.1)	2 (0.5)		18 (27)	21 (31)
T2		34 (28.1)	239 (64.4)		29 (44)	30 (44)
T3		20 (16.5)	122 (32.9)		14 (21)	1 (1.5)
T4		0	0		1 (1.5)	0
missing		39 (32.2)	8 (2.2)		4 (6)	16 (23.5)

# chi-square tests