| | |
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
|
-
aLocation: "Located at limb" vs. "Located at trunk" vs. "Unknown"
-
bMelanoma subtype: "SSM" vs. "NM" vs. "Other" vs. "Unknown"
-
cT-Stage: "pT1" vs. "pT2" vs. "pT3" vs. "pT4" vs. "Unkown"
-
dPositive SLN or positive non-sentinel LN
-
no. number, SaphRes V. saphena magna resection, SaphSpar V. saphena magna sparing, BMI body mass index, SSM superficial spreading melanoma, NM nodular melanoma, SLN sentinel lymph node, LN lymph node
