Table 1.
Baseline characteristics in acute mastitis and Non acute mastitis.
| Variable | Total (n = 816) | No acute mastitis (n = 447) | Acute mastitis (n = 369) | P |
|---|---|---|---|---|
| Age, Mean ± SD | 33.495 ± 6.775 | 32.776 ± 7.237 | 34.366 ± 6.064 | 0.001 |
| Primiparity, n (%) | 0.53 | |||
| No | 428 (52.451) | 230 (51.454) | 198 (53.659) | |
| Yes | 388 (47.549) | 217 (48.546) | 171 (46.341) | |
| History of breast surgery, n (%) | 0.513 | |||
| No | 772 (94.608) | 425 (95.078) | 347 (94.038) | |
| Yes | 44 (5.392) | 22 (4.922) | 22 (5.962) | |
| Cracked, n (%) | 0.042 | |||
| No | 730 (89.461) | 391 (87.472) | 339 (91.870) | |
| Yes | 86 (10.539) | 56 (12.528) | 30 (8.130) | |
| External breast trauma, n (%) | 0.182 | |||
| No | 660 (80.882) | 369 (82.550) | 291 (78.862) | |
| Yes | 156 (19.118) | 78 (17.450) | 78 (21.138) | |
| Puerperium, n (%) | 0.347 | |||
| No | 604 (74.020) | 325 (72.707) | 279 (75.610) | |
| Yes | 212 (25.980) | 122 (27.293) | 90 (24.390) | |
| Gestational diabetes, n (%) | 0.134 | |||
| No | 738 (90.441) | 398 (89.038) | 340 (92.141) | |
| Yes | 78 (9.559) | 49 (10.962) | 29 (7.859) | |
| C-reactive protein, M (Q1, Q3) | 9.350 (5.300, 22.725) | 6.700 (3.450, 9.650) | 21.100 (10.400, 27.900) | < 0.001 |
| Procalcitonin, M (Q1, Q3) | 0.042 (0.027, 0.642) | 0.039 (0.024, 0.740) | 0.044 (0.027, 0.567) | 0.134 |
| Neutrophils, M (Q1, Q3) | 6.518 (4.277, 9.253) | 6.425 (4.315, 8.854) | 6.693 (4.234, 9.362) | 0.095 |
| White blood cells, M (Q1, Q3) | 7.374 (5.634, 10.892) | 7.219 (5.299, 9.329) | 9.239 (6.392, 26.670) | < 0.001 |
| Abnormal nipple discharge, n (%) | 0.645 | |||
| No | 542 (66.422) | 300 (67.114) | 242 (65.583) | |
| Yes | 274 (33.578) | 147 (32.886) | 127 (34.417) | |
| SD, standard deviation | ||||