Overall | (%) | SaphRes | (%) | SaphSpar | (%) | p value | ||
---|---|---|---|---|---|---|---|---|
Patients | ||||||||
No. of patients | 106 | 65 | (61.3) | 41 | (38.7) | |||
Male sex | 49 | (46.2) | 30 | (46.2) | 19 | (46.3) | 0.9849 | |
Age | [years] | 58.3 | 59.7 | 56.2 | 0.2239 | |||
BMI | [kg/m2] | 26.9 | 26.8 | 27.2 | 0.4902 | |||
Risk factors | ||||||||
Nicotine abuse | 24 | (22.6) | 12 | (18.5) | 12 | (29.3) | 0.1954 | |
Diabetes mellitus | 9 | (8.5) | 5 | (7.7) | 4 | (9.8) | 0.7105 | |
Arterial hypertonia | 49 | (46.2) | 30 | (46.2) | 19 | (46.3) | 0.9849 | |
Surgical procedure | ||||||||
Mean duration | [min] | 87.0 | 83.9 | 91.8 | 0.2955 | |||
Mean hospital stay | [days] | 12.0 | 11.6 | 12.6 | 0.6372 | |||
Mean no. resected LN | 8.6 | 9.0 | 7.9 | 0.2318 | ||||
Primary tumor characteristics | ||||||||
Location | ||||||||
Located at limb | 81 | (76.4) | 50 | (76.9) | 31 | (75.6) | ||
Located at trunk | 18 | (17.0) | 10 | (15.4) | 8 | (19.5) | 0.7560a | |
Unknown | 7 | (6.6) | 5 | (7.7) | 2 | (4.9) | ||
Melanoma subtype | ||||||||
SSM | 45 | (42.5) | 25 | (38.5) | 20 | (48.8) | ||
NM | 16 | (15.1) | 11 | (16.9) | 5 | (12.2) | 0.7303b | |
Other | 35 | (33.0) | 23 | (35.4) | 12 | (29.3) | ||
Unknown | 10 | (9.4) | 6 | (9.2) | 4 | (9.8) | ||
T stage | ||||||||
pT1 | 9 | (8.5) | 5 | (7.7) | 4 | (9.8) | ||
pT2 | 26 | (24.5) | 16 | (24.6) | 10 | (24.4) | ||
pT3 | 24 | (22.6) | 14 | (21.5) | 10 | (24.4) | 0.9763c | |
pT4 | 21 | (19.8) | 14 | (21.5) | 7 | (17.1) | ||
Unknown | 26 | (24.5) | 16 | (24.6) | 10 | (24.4) | ||
Ulcerated | 44 | (41.9) | 29 | (44.6) | 15 | (37.5) | 0.4730 | |
Mean thickness | [mm] | 3.5 | 4.5 | 3.1 | 0.3542 | |||
Lymph node status | ||||||||
Positive SLN | 53 | (50.0) | 30 | (46.2) | 23 | (56.1) | 0.3187 | |
Positive non-sentinel LN | 51 | (48.1) | 31 | (47.7) | 20 | (48.8) | 0.9130 | |
Positive LN statusd | 89 | (84.0) | 53 | (81.5) | 36 | (87.8) | 0.3919 | |
Follow-up | ||||||||
Mean | [months] | 38.6 | 29.5 | 53.1 | 0.0006 |