| Group | # of entries NF/NSTI | NF + NSTI Total | NF | NSTI | P value |
| Number |
| 123 | 70 | 53 | --- |
| Breast laterality # (%) |
|
|
|
| 0.01 |
| Left | 69/53 | 48 (38.3) | 31 (25.4) | 17 (13.9) |
|
| Right | 69/53 | 56 (45.9) | 24 (19.7) | 32 (26.2) |
|
| Bilateral | 69/53 | 18 (14.8) | 14 (77.8) | 5 (22.2) |
|
| Treatment # (%) |
|
|
|
| 0.0001 |
| Unilateral mastectomy | 69/53 | 45 (37.0) | 34 (28.0) | 11 (9.0) |
|
| Bilateral mastectomy | 69/53 | 11 (9.0) | 10 (8.2) | 1 (0.82) |
|
| Partial mastectomy | 69/53 | 17 (13.9) | 11 (9.0) | 6 (4.9) |
|
| Debridement | 69/73 | 49 (40.2) | 14 (11.5) | 35 (28.7) |
|
| Location # (%) |
|
|
|
| 0.0001 |
| Primary breast | 70/53 | 105 (85.4) | 52 (42.3) | 53 (43.1) |
|
| Secondary breast | 70/53 | 18 (14.6) | 18 (14.6) | 0 |
|
| Chest wall | 70/53 | 45 (36.6) | 44 (35.8) | 1 (0.8) |
|
| Pectoral muscle | 70/53 | 37 (30.1) | 34 (27.6) | 3 (2.4) |
|
| *Upper extremity | 70/50 | 15 (12.5) | 12 (10.0) | 3 (2.5) | 0.06 |
| *Axilla | 70/53 | 15 (12.2) | 12 (9.8) | 3 (2.4) | 0.045 |
| Admission to surgery hrs # (%) |
|
|
|
| 0.0002 |
| <12 | 70/53 | 19 (15. 5) | 18 (14.6) | 1 (0.8) |
|
| <24 | 70/53 | 41 (33.3) | 27 (22.0) | 14 (11.4) |
|
| <48 | 70/53 | 9 (7.3) | 5 (4.1) | 4 (3.3) |
|
| >48 | 70/53 | 10 (8.1) | 5 (4.1) | 5 (4.1) |
|
| Unknown | 70/53 | 44 (35.8) | 15 (12.2) | 29 (23.6) |
|
| Reconstruction # (%) | 57/32 | 17 (19.1) | 12 (13.5) | 5 (5.6) | 0.53 |
| STSG # (%) | 66/48 | 47 (41.0) | 25 (22) | 22 (19) | 0.39 |
| LRINEC score median (IQRT) | 11/5 | 7.5 (5, 8) | 5 (4, 8) | 8 (8, 9) | 0.06 |