Group | Number | AI (SD) Nigeria | P value | Number | AI (SD) Finland | P value | Number | AI (SD) Libya | P value |
---|---|---|---|---|---|---|---|---|---|
Whole material | 300 | 9.6 (14.8) | 285 | 5.2 (6.1) | 130 | 12.8 (9.6) | |||
Menopausal status | |||||||||
Premenopausal | 223 | 10.1 (16.3) | 0.333 | 93 | 5.6 (6.4) | 0.44 | 80 | 12.07 (9.7) | 0.26 |
Postmenopausal | 77 | 8.2 (9.3) | 192 | 5.0 (6.0) | 50 | 14.05 (9.5) | |||
Lymph node status | |||||||||
LN- | 65 | 7.6 (10.6) | 0.185 | 188 | 5.3 (6.8) | 0.514 | 27 | 8.3(7.0) | 0.005 |
LN+ | 235 | 10.2 (15.7) | 97 | 4.8 (4.8) | 103 | 14.0 (9.9) | |||
Histological grade | |||||||||
1 | 44 | 4.0 (7.1) | 67 | 2.9 (4.8) | 10 | 5.9 (5.7) | |||
2 | 119 | 8.6 (11.5) | 0.012 | 173 | 4.5 (4.9) | <0.001 | 70 | 12.7 (7.4) | 0.035 |
3 | 137 | 12.4 (19.8) | 45 | 11.1 (8.4) | 50 | 14.5 (9.0) | |||
Invasive ductal | 242 | 10.3 (16.7) | 0.070 | 231 | 5.9 (6.5) | 0.017 | 95 | 13.3 (10.6) | 0.35 |
Other carcinoma | 58 | 5.3 (8.4) | 54 | 2.1 (2.3) | 35 | 11.5 (6.3) | |||
Stage | |||||||||
1 | 65 | 7.6 (10.6) | 95 | 4.5 (5.1) | 6 | 5.0 (5.1) | |||
2 | 75 | 10.1 (11.7) | 0.185 | 171 | 5.7 (6.9) | 0.139 | 44 | 10.2 (6.7) | 0.009 |
3 | 98 | 10.2 (20.3) | 19 | 4.1 (2.7) | 64 | 14.5 (10.5) | |||
4 | 62 | 10.2 (11.4) | *NA | NA | 16 | 16.4 (11.4) |