Characteristic | IHC assays not performed | IHC assays performed | P value* | ||
---|---|---|---|---|---|
 | No. | % | No. | % |  |
Patients (total = 824) | 392 | 47.6 | 432 | 52.4 |  |
Age | Â | Â | Â | Â | Â |
20-49 | 216 | 55.1 | 261 | 60.4 | 0.26 |
50-59 | 100 | 25.5 | 102 | 23.6 | Â |
≥ 60 | 76 | 19.4 | 69 | 16.0 |  |
Mean (range) | 49.5 ± 12.0 (23–88) | 47.8 ± 11.5 (21–83) | 0.03 | ||
Ethnicity/residence | Â | Â | Â | Â | Â |
Kurd/Sulaimaniyah | 241 | 61.4 | 265 | 61.3 | 0.12 |
Kurd/not-Sulaimaniyah | 91 | 23.2 | 117 | 27.1 | Â |
Arab/not-Sulaimaniyah | 63 | 16.0 | 50 | 11.6 | Â |
Tumor stage | Â | Â | Â | Â | Â |
1 | 36 | 9.2 | 37 | 8.6 | 0.97 |
2 | 121 | 30.9 | 136 | 31.5 | Â |
3 | 104 | 26.5 | 115 | 26.6 | Â |
4 | 28 | 7.1 | 28 | 6.5 | Â |
Unknown | 103 | 26.3 | 116 | 26.9 | Â |