Research Article

Serum Tumour Markers in Testicular Germ Cell Tumours: Frequencies of Elevated Levels and Extents of Marker Elevation Are Significantly Associated with Clinical Parameters and with Response to Treatment

Table 3

Extent of marker elevation at diagnosis.

bHCG [x-fold of ULN]AFP [x-fold of ULN]LDH [x-fold of ULN]
n (%)MinMedian (Q1 - Q3)MaxMinMedian (Q1 - Q3)MaxMinMedian (Q1 - Q3)Max

All GCT patients 422 (100.0%)0.030.46 (0.41 - 3.12)749063.670.050.40 (0.24 - 1.04)5906.580.010.89 (0.76 - 1.10)17.00
pT-stage
 pT1222 (52.6%)0.030.45 (0.41 - 1.08)749063.670.050.38 (0.23 - 0.86)5906.580.010.83 (0.72 - 0.96)17.00
 >pT1200 (47.4%)0.031.03 (0.45 - 4.93)130974.140.080.48 (0.25 - 1.20)1630.460.030.97 (0.82 - 1.24)9.32
 p-<.00010.1126<.0001
Histology
 Seminoma254 (60.2%)0.030.45 (0.41 - 1.16)86.230.050.30 (0.22 - 0.47)2.810.010.88 (0.75 - 1.06)8.40
 Nonseminoma168 (39.8%)0.031.35 (0.45 - 18.65)749063.670.102.02 (0.49 - 13.02)5906.580.550.90 (0.78 - 1.12)17.00
 p-<.0001<.00010.0963
Clinical stage
 CS1281 (66.6%)0.030.45 (0.41 - 1.31)560.260.050.36 (0.23 - 0.64)1630.460.010.83 (0.72 - 0.98)5.41
 CS2a,b95 (22.5%)0.180.73 (0.45 - 12.94)19427.830.130.50 (0.25 - 2.34)195.550.030.98 (0.84 - 1.13)8.40
 CS2c17 (4.0%)0.221.20 (0.41 - 30.19)28667.790.170.67 (0.45 - 1.93)1596.200.591.34 (0.95 - 2.48)3.80
 CS329 (6.9%)0.346.78 (0.79 - 70.86)749063.670.121.35 (0.42 - 51.31)5906.580.821.28 (0.96 - 1.68)17.00
 p-<.0001<.0001<.0001
CS1 vs. >CS1
 CS1281 (66.6%)0.030.45 (0.41 - 1.31)560.260.050.36 (0.23 - 0.64)1630.460.010.83 (0.72 - 0.98)5.41
 >CS1141 (33.4%)0.181.31 (0.45 - 14.38)749063.670.120.59 (0.27 - 3.29)5906.580.031.04 (0.88 - 1.42)17.00
 p-<.0001<.0001<.0001
CS1 vs. >CS1 (Seminoma)
 CS1201 (79.1%)0.030.45 (0.41 - 0.94)47.730.050.30 (0.22 - 0.46)2.120.010.83 (0.73 - 0.98)5.41
 >CS153 (20.9%)0.180.69 (0.45 - 3.37)86.230.130.28 (0.23 - 0.50)2.810.031.03 (0.88 - 1.58)8.40
 p-0.00010.3529<.0001
CS1 vs. >CS1 (Nonseminoma)
 CS180 (47.6%)0.030.72 (0.43 - 4.86)560.260.102.27 (0.48 - 12.02)1630.460.550.81 (0.72 - 0.98)2.71
 >CS188 (52.4%)0.213.59 (0.45 - 39.12)749063.670.121.51 (0.49 - 20.16)5906.580.571.04 (0.87 - 1.31)17.00
 p-0.00410.9671<.0001

Mann-Whitney U test for comparisons of subgroups; Min minimum value, Max maximum value, ULN upper limit of norm, Q1: first quartile, Q3: third quartile.