Table 1.
Patient characteristics
| Exemestane | Observation | Total | ||
| Patients | Number | 211 | 200 | 411 |
| Age | Mean | 62.6 | 61.8 | 62.2 |
| (range) | (40–81) | (39–81) | (39–81) | |
| Weight | Mean | 71.8 | 69.6 | 70.6 |
| (range) | (48–100) | (52–100) | (48–100) | |
| Adjuvant chemotherapy | n (%) | |||
| No | 131 (62.09) | 121 (60.5) | 252 (61.31) | |
| Yes | 80 (37.91) | 79 (39.5) | 159 (38.69) | |
| Local radiation therapy | n (%) | |||
| No | 77 (36.49) | 82 (41.0) | 159 (38.69) | |
| Yes | 117 (55.45) | 99 (49.5) | 216 (52.55) | |
| Missing data | 17 (8.06) | 19 (9.5) | 36 (8.76) | |
| ECOG performance status | n (%) | |||
| 0 | 164 (77.73) | 148 (74.0) | 312 (75.91) | |
| 1 | 33 (15.64) | 41 (20.5) | 74 (18.0) | |
| 2 | 1 (0.47) | 0 (0.0) | 1 (0.24) | |
| Not reported | 13 (6.16) | 11 (5.5) | 24 (5.84) | |
| ER and PgR status | n (%) | |||
| ER+/PgR+ | 110 (52.13) | 107 (53.5) | 217 (52.8) | |
| ER+/PgR- | 23 (10.9) | 19 (9.5) | 42 (10.22) | |
| ER-/PgR+ | 13 (6.16) | 10 (5.0) | 23 (5.6) | |
| ER+/PgR unknown | 15 (7.11) | 11 (5.5) | 26 (6.33) | |
| ER and PgR unknown | 50 (23.7) | 53 (26.5) | 103 (25.06) | |