Table 5.
Distribution of clinicopathologic factors by nuclear grade
| Variables | All patients | Grade I | Grade II | Grade III | P-value |
|---|---|---|---|---|---|
| All patients (%) | 232 (100) | 107 (46) | 91 (39) | 34 (15) | |
| Age (years) | 0.867 | ||||
| Median | 64 | 62 | 61 | 61 | |
| Range | 29–85 | 34–85 | 29–79 | 35–81 | |
| Gender (%) | 0.043 | ||||
| Female | 64 (28) | 34 (32) | 26 (29) | 4 (12) | |
| Male | 168 (72) | 73 (68) | 65 (71) | 30 (88) | |
| Laterality (%) | 0.810 | ||||
| Left | 104 (45) | 49 (46) | 40 (44) | 15 (44) | |
| Right | 128 (55) | 58 (54) | 51 (56) | 19 (56) | |
| Lymphatic invasion (%) | <0.001 | ||||
| Absence | 130 (56) | 77 (72) | 43 (47) | 10 (29) | |
| Presence | 102 (44) | 30 (28) | 48 (53) | 24 (71) | |
| Vascular invasion (%) | <0.001 | ||||
| Absence | 178 (77) | 100 (93) | 67 (74) | 11 (32) | |
| Presence | 54 (23) | 7 (7) | 24 (26) | 23 (68) | |
| T stage (%) | 0.065 | ||||
| T1–2 | 108 (47) | 52 (49) | 48 (53) | 8 (24) | |
| T3–4 | 124 (53) | 55 (51) | 43 (47) | 26 (76) | |
| N stage (%) | 0.054 | ||||
| N0 | 139 (60) | 73 (68) | 47 (52) | 19 (56) | |
| N1–3 | 93 (40) | 34 (32) | 44 (48) | 15 (44) | |
| Stage (%) | 0.003 | ||||
| I–II | 68 (29) | 39 (36) | 26 (29) | 3 (9) | |
| III–IV | 164 (71) | 68 (64) | 65 (71) | 31 (91) | |