Table 4.

Associations of primary tumour size with various parameters

Parameter (first factor vs. second)	Patients, n, median tumour size (IQR), cm		p value*
	patients with first factor	patients with second factor
Seminoma vs. nonseminoma	254, 2.8 (1.6–4.5)	168, 3.2 (2.0–5.0)	0.1352
Age ≤50 vs. >50 years	373, 3 (1.8–4.5)	49, 2.9 (1.5–4.2)	0.5056
Right vs. left side	201, 2.8 (1.6–4.3)	200, 3.3 (2.0–5.0)	0.008
CS1 vs. >CS1 (all GCT)	281, 2.5 (1.5–4.0)	141, 3.7 (2.6–5.4)	<0.0001
CS1 vs. >CS1 (seminoma only)	201, 2.5 (1.5–4.2)	53, 3.5 (2.5–5.0)	0.0031
CS1 vs. >CS1 (nonseminoma only)	80, 2.4 (1.5–4.0)	88, 3.8 (2.8–5.5)	<0.0001
pT1 stage vs. >pT1 (all GCT)	222, 2.2 (1.5–3.8)	200, 3.7 (2.4–5.5)	<0.0001
pT1 stage vs. >pT1 (seminoma)	150, 2.0 (1.5–3.7)	104, 4.0 (2.75–6.0)	<0.0001
pT1 stage vs. >pT1 (nonseminoma)	72, 2.6 (1.5–4.5)	96, 3.4 (2.0–5.2)	0.0448

^*Mann-Whitney U test.

GCT, germ cell tumour; CS, clinical stages; IQR, interquartile range; pT, pathological.