Table 2 Comparison of personal history and clinical characteristics between the two groups
Characteristics | CPK infection group [n (%)] (n = 28) | No bacterial infection group [n (%)] (n = 28) | P value | |
|---|---|---|---|---|
Age, [year, (Mean ± SD)] | 33.00 ± 3.70 | 33.00 ± 4.80 | 0.803 | |
Time of onset, [months, (Mean ± SD)] | 5.11 ± 8.32 | 3.46 ± 5.16 | 0.378 | |
Gestation history | Yes | 26 (92.86) | 24 (85.71) | 0.388 |
No | 2 (7.14) | 4 (14.29) | ||
Lactation history | Yes | 15 (53.57) | 22 (78.57) | 0.831 |
No | 4 (14.29) | 5 (17.86) | ||
Lactation time [months, (Mean ± SD)] | 13.3 ± 11.31 | 10.89 ± 7.86 | 0.336 | |
Time after the last delivery, [Years, (Mean ± SD)] | 4.00 ± 1.75 | 5.57 ± 3.74 | 0.128 | |
History of GLM | Yes | 8 (28.57) | 2 (7.14) | 0.036 |
No | 20 (71.43) | 26 (92.86) | ||
Blunt breast trauma history | Yes | 2 (7.14) | 11 (39.39) | 0.004 |
No | 26 (92.86) | 17 (60.71) | ||
History of hyperprolactinemia | Yes | 5 (17.86) | 2 (7.14) | 0.225 |
No | 23 (82.14) | 26 (92.86) | ||
Ipsilateral axillary lymph node enlargement | Yes | 19 (67.86) | 16 (57.14) | 0.091 |
No | 5 (17.86) | 12 (42.86) | ||
Maximum range of the mass, [cm2, (Mean ± SD)] | 13.27 ± 12.09 | 12.91 ± 10.49 | 0.908 | |