Table 1.
Characteristic | Platinum–fluorouracil + cetuximab (n = 152) | Platinum–fluorouracil alone (n = 139) |
Male, n (%) | 131 (86) | 130 (94) |
Female, n (%) | 21 (14) | 9 (6) |
Median age, years (range) | 56 (37–80) | 56 (33–78) |
Karnofsky performance score, n (%) | ||
<80 | 20 (13) | 20 (14) |
≥80 | 132 (87) | 119 (86) |
Extent of disease, n (%) | ||
Only locoregionally recurrent | 76 (50) | 70 (50) |
Metastatic with or without locoregional recurrence | 76 (50) | 69 (50) |
Histology, n (%) | ||
Well/moderately differentiated | 94 (62) | 89 (64) |
Poorly differentiated | 28 (18) | 30 (22) |
Not specified | 28 (18) | 19 (14) |
Missing | 2 (1) | 1 (1) |
Disease stage, n (%) | ||
I–III | 57 (38) | 42 (30) |
IV | 92 (61) | 91 (65) |
Missing | 3 (2) | 6 (4) |
% EGFR staining, n (%) | ||
<40 | 21 (14) | 21 (15) |
≥40 | 123 (81) | 107 (77) |
Missing | 8 (5) | 11 (8) |
Platinum therapy, n (%) | ||
Cisplatin | 96 (63) | 86 (62) |
Carboplatin | 55 (36) | 51 (37) |
Missing | 1 (1) | 2 (1) |
EGFR, epidermal growth factor receptor; EORTC QLQ-C30, European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30.