TABLE 1
FROM:
Role of mammography screening as a predictor of survival in postmenopausal breast cancer patients
J Anttinen, H Kautiainen and T Kuopio
BACK TO ARTICLETable 1. Characteristics of the prescreening (1977–1986) and screening era (1987–1997) breast cancers patients (N=893)
| Period | |||
|---|---|---|---|
| Characteristic |
1977–1986 N=341 |
1987–1997 N=552 | P-value |
| Age (years) | 0.066 | ||
| 50–59, n (%) | 185 (54) | 334 (60) | |
| 60–69, n (%) | 156 (46) | 218 (40) | |
| Stage, n (%) | <0.001 | ||
| I | 46 (14) | 198 (36) | |
| II | 157 (46) | 274 (50) | |
| III | 51 (15) | 20 (4) | |
| Unknown | 87 (25) | 59 (10) | |
| Extend of tumour (T), n (%) | <0.001 | ||
| T1 | 70 (21) | 299 (54) | |
| T2 | 154 (45) | 201 (36) | |
| T3 | 56 (16) | 21 (4) | |
| T4 | 0 (0) | 5 (1) | |
| Tx | 61 (18) | 26 (5) | |
| Pathologic lymph node status (pN), n (%) | <0.001 | ||
| pN- | 140 (41) | 289 (52) | |
| pN+ | 124 (36) | 206 (38) | |
| pX (unknown) | 77 (23) | 57 (10) | |
