Correction to: Archives of Gynecology and Obstetrics 10.1007/s00404-020-05582-7
In the original article published, some of the superscript characters in Table 1 (column p value with superscript references to the footnotes) were incorrectly inserted by the typesetters. The correct table is given below.
Table 1.
General patient data, medical history and surgery
| Characteristics | SPY (n = 36) | Control (n = 32) | p value |
|---|---|---|---|
| Age (years) | 0.245+ | ||
| Mean (SD) | 43.4 (10.7) | 46.5 (10.7) | |
| 0.808* | |||
| < 45 | 16 (44.4%) | 16 (50.0%) | |
| ≥ 45 | 20 (55.6%) | 16 (50.0%) | |
| BMI (kg/m2) | 0.280$ | ||
| Median (IQR) | 23.4 (21.3–26.1) | 22.1 (20.8–26.5) | |
| 0.585* | |||
| < 25 | 20 (64.5%) | 21 (72.4%) | |
| ≥ 25 | 11 (35.5%) | 8 (27.6%) | |
| Missing | 5 | 3 | |
| Pregnancies | 0.197§ | ||
| None | 8 (22.2%) | 8 (25.8%) | |
| 1 | 12 (33.3%) | 11 (35.5%) | |
| 2 | 7 (19.4%) | 10 (32.3%) | |
| ≥ 3 | 9 (25.0%) | 2 (6.5%) | |
| Missing | - | 1 | |
| Genetic predisposition for breast cancer | 0.460§ | ||
| None known | 22 (61.1%) | 17 (53.1%) | |
| BRCA-1/-2 | 13 (36.1%) | 15 (46.9%) | |
| CHEK2 | 1 (2.8%) | 0 (0.0%) | |
| Comorbidities | |||
| Diabetes mellitus | 0 (0.0%) | 1 (3.1%) | 0.478* |
| Missing | 1 | – | |
| Arterial hypertension | 5 (14.3%) | 2 (6.3%) | 0.431* |
| Missing | 1 | – | |
| Smoker | 4 (11.1%) | 5 (16.1%) | 0.723* |
| Missing | – | 1 | |
| Former smoker | 8 (22.2%) | 3 (9.7%) | 0.202* |
| Missing | – | 1 | |
| Prior surgerya | 0.808* | ||
| N (%) | 13 (36.1%) | 12.5 (39.1%) | |
| Type of prior surgerya | 0.180§ | ||
| BCS | 6.5 (50.0%) | 8.5 (68.0%) | |
| Mastectomy | 5 (38.5%) | 1 (8.0%) | |
| Other | 1.5 (11.5%) | 3 (24.0%) | |
| Local cancer therapya | |||
| Surgery | 9.5 (73.1%) | 9.5 (76.0%) | 1.0* |
| Adjuvant radiation | 6 (46.2%) | 3 (24.0%) | 0.370* |
| Surgery indication | 0.610§ | ||
| Carcinoma | 23 (63.9%) | 24 (75.0%) | |
| Prevention | 10 (27.8%) | 6 (18.8%) | |
| Other | 3 (8.3%) | 2 (6.3%) | |
| Side of surgery | 1.0* | ||
| Unilateral | 22 (61.1%) | 20 (62.5%) | |
| Bilateral | 14 (38.9%) | 12 (37.5%) | |
| Type of surgerya | 0.275§ | ||
| NSM | 18.5 (51.4%) | 19 (59.4%) | |
| SSM | 10 (27.8%) | 4 (12.5%) | |
| SSM with NAC reconstruction | 2 (5.6%) | 5 (15.6%) | |
| Other | 5.5 (15.3%) | 4 (12.5%) | |
| Neoadjuvant cancer therapy | 0.244* | ||
| N (%) | 23 (63.9%) | 24 (75.0%) | |
| Chemotherapy | 8 (34.8%) | 13 (54.2%) | |
| None | 15 (65.2%) | 11 (45.8%) | |
| Duration of surgery (h) | 0.124+ | ||
| Mean (SD) | 2:43 (0:48) | 2:24 (0:52) | |
| Resection weight (g)a | 0.153$ | ||
| Median (IQR) | 260 (149.3–381.8) | 254.5 (173–449.3) | |
| 0.692* | |||
| < 500 g | 33.5 (93.1%) | 25.5 (86.4%) | |
| ≥ 500 g | 2.5 (6.9%) | 4 (13.6%) | |
| Missing | – | 2.5 | |
| Implant insertiona | 0.197* | ||
| N (%) | 28.5 (79.2%) | 29.5 (92.2%) | |
| Implant shapea | 0.023* | ||
| Round | 0 (0.0%) | 5.5 (19.3%) | |
| Anatomic | 27.5 (100%) | 23 (80.7%) | |
| Missing | 1 | 1 | |
| Implant positiona | 0.070* | ||
| Epimuscular | 11 (38.6%) | 18.5 (62.7%) | |
| Submuscular | 17.5 (61.4%) | 11 (37.3%) | |
| Implant volume (ml)a | 0.398$ | ||
| Median (IQR) | 331.3 (257.5–420) | 308.8 (185–448.1) | |
| Expander insertiona | 0.434* | ||
| N (%) | 5 (13.9%) | 2 (6.3%) | |
| Expander shapea | – | ||
| Round | 0 (0.0%) | 0 (0.0%) | |
| Anatomic | 5 (100%) | 2 (100%) | |
| Expander positiona | 1.0* | ||
| Epimuscular | 2 (40.0%) | 1 (50.0%) | |
| Submuscular | 3 (60.0%) | 1 (50.0%) | |
| Expander volume (ml)a | 0.833$ | ||
| Median (IQR) | 50 (50–225) | 155 (–) | |
| Autologous reconstruction (TRAM)a | 2 (5.6%) | 0 (0.0%) | 0.494* |
| Mesh insertiona | 11 (30.6%) | 6 (18.8%) | 0.401* |
| ADM insertiona | 4 (11.1%) | 1 (3.1%) | 0.360* |
| Lymph node interventiona | 0.537§ | ||
| N (%) | 18.5 (51.7%) | 16 (50.0%) | |
| SNB | 15.5 (83.8%) | 13 (81.3%) | |
| AS | 2 (10.8%) | 3 (18.8%) | |
| AD | 1 (5.4%) | 0 (0.0%) | |
| Subset with reduced perfusion in ICG fluorescence angiographya | |||
| N (%) | 11.5 (31.9%) | – | |
| Resection of tissue with reduced perfusiona | – | ||
| Yes | 4 (34.8%) | – | |
| No | 7.5 (65.2%) | – |
Numbers in italics are missing values
BCS Breast conserving surgery, NSM nipple sparing mastectomy, SSM skin-sparing mastectomy, NAC nipple areola complex, SNB sentinel lymph node biopsy, AS axillary sampling, AD axillary dissection, ICG indocyanine green, ADM acellular dermal matrix, SD standard deviation, IQR interquartile range
a In the calculation of breast specific parameters women who underwent bilateral surgery were only counted as half item for each breast which ensures that no information gets lost and that no patient is counted twice in any category
Test on normal distribution: Shapiro–Wilk test
+ t-test for independent samples
$ Mann–Whitney-U test
*Fisher’s exact test
§ Chi-square-test
Footnotes
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