Table 2. Demographic and Clinical Characteristics of Participants by Type of Node Dissection.
| Total N=140 | SLNB n=59 | ALND n= 81 | p Value* | |
|---|---|---|---|---|
| Mean (SD; Range) |
Mean (SD; Range) |
Mean (SD; Range) |
||
| Age at Diagnosis (in years) | 56.0 (11.8; 25-84) |
58.5 (10.7; 42-84) |
54.1 (12.3; 25-81) |
0.03 |
| Body Weight (in pounds) | ||||
| Before Surgery | 155.8 (36.9; 104.7-278.6) |
152.3 (35.9; 104.7-277.3) |
157.7 (37.8; 106-278.6 |
0.48 |
| 2-4 Weeks After Surgery | 154.9 (36.1; 102.9-279.9) |
153.0 (36.3; 102.9-273.4) |
156.3 (36.1; 106.9-279.9) |
0.60 |
| At 6 Months | 153.5 (35.0; 102.7-282.8) |
152.1 (35.8; 102.7-277.5) |
154.6 (34.7; 108.7-282.8) |
0.68 |
| At 12 Months | 154.8 (36.1; 104.9-284.4) |
153.3 (36.6; 106.2-281.8) |
155.8 (35.7; 104.9-284.4) |
0.69 |
| Body Mass Index (BMI) | ||||
| Before Surgery | 26.6 (5.6; 17.7-46.1) |
26.6 (5.7; 17.7-46.1) |
26.6 (5.6; 18.1-41.4) |
0.96 |
| 2-4 Weeks After Surgery | 26.4 (5.5; 17.1-45.5) |
26.5 (5.8; 17.1-45.5) |
26.3 (5.3; 17.9-41.6) |
0.83 |
| At 6 months | 26.2 (5.3; 17.1-46.2) |
26.5 (5.7; 17.1-46.2) |
26.0 (5.0; 18.6-40.1) |
0.60 |
| At 12 months | 26.4 (5.5; 17.1-46.9) |
26.7 (5.9; 17.9-46.9) |
26.2 (5.2; 17.1-39.7) |
0.62 |
| Highest Level of Education | n(%) | n(%) | n(%) | 0.28 |
| High School or Below | 25 (18) | 12 (20) | 13 (16) | |
| Associate's Degree | 22 (16) | 9 (15) | 13 (16) | |
| Bachelor's Degree | 51 (36) | 20 (34) | 31 (38) | |
| Master's Degree | 30 (21) | 12 (20) | 18 (22) | |
| Doctoral Degree | 12 (9) | 6 (10) | 6 (8) | |
| Marital Status | 0.17 | |||
| Married | 77 (55) | 32 (54) | 44 (55) | |
| Partnered | 6 (4) | 0 (0) | 6 (7) | |
| Divorced/Separated | 19 (14) | 8 (14) | 11 (14) | |
| Widowed | 13 (9) | 9 (15) | 4 (5) | |
| Single or Never Partnered | 25 (18) | 10 (17) | 15 (19) | |
| Ethnicity | ||||
| Asian | 18 (13) | 8 (13) | 10 (12) | |
| African American or Black | 13 (9) | 3 (5) | 10 (12) | |
| White | 102 (73) | 46 (78) | 56 (69) | |
| Hispanic/Latino | 7 (5) | 2 (3) | 5 (6) | |
| Employment Status | 0.70 | |||
| Unemployed | 45 (32) | 20 (34) | 25 (31) | |
| Employed | 95 (68) | 39 (66) | 56 (69) | |
| Surgery | n (%) | n (%) | n (%) | 0.02 |
| Mastectomy | 21 (15) | 7 (12) | 14 (17) | |
| Lumpectomy | 61 (44) | 34 (58) | 27 (33) | |
| Immediate Reconstruction | 58 (41) | 18 (30) | 40 (50) | |
| Radiotherapy | 94 (67) | 37 (63) | 57 (70) | 0.35 |
| Neoadjuvant chemotherapy | 17 (12) | 0 (0) | 17 (21) | 0.05 |
| Adjuvant chemotherapy | 55 (39) | 11 (19) | 44 (54) | 0.05 |
| Number of nodes removed |
Median 8 |
Median 2 |
Median 13 |
<0.001 |
*
One-way analysis of variance was used for continuous variables and Chi-square tests for contingency tables.