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Table 22. Univariable Analysis of Failure before 1 Yeara
Variable
|
Level
|
Sub Category N
|
Summary Statistics
|
% in registry
|
Failed (N =200)
|
Summary Statistics
|
% failed
|
P-valueb
|
Demographics
|
Age (years)
(N = 1,646)
|
Mean
|
|
43.53
|
|
200
|
42.83
|
|
0.0838
|
STD
|
|
5.71
|
|
|
5.84
|
|
|
Median
|
|
44.00
|
|
|
43.00
|
|
|
25th
percentile
|
|
40.00
|
|
|
39.00
|
|
|
75th
percentile
|
|
47.00
|
|
|
47.00
|
|
|
Missing
(%)
|
|
0.00
|
|
|
0.00
|
|
|
Age—categorized
|
21-35
yrs
|
112
|
|
6.80
|
17
|
|
15.18
|
0.2640
|
35-40
yrs
|
260
|
|
15.80
|
38
|
|
14.62
|
|
40-45
yrs
|
537
|
|
32.62
|
65
|
|
12.10
|
|
45-50
yrs
|
514
|
|
31.23
|
61
|
|
11.87
|
|
>
50 yrs
|
223
|
|
13.55
|
19
|
|
8.52
|
|
Race
(N = 1,646)
|
African-
American
|
782
|
47.51
|
|
79
|
|
10.10
|
0.0459
|
Caucasian
|
762
|
46.29
|
|
105
|
|
13.78
|
|
Other
|
102
|
6.20
|
|
16
|
|
15.69
|
|
BMI (N = 1,552)
|
Mean
|
|
|
27.90
|
192
|
27.89
|
|
0.7394
|
STD
|
|
|
6.88
|
|
7.24
|
|
|
Median
|
|
|
26.47
|
|
26.60
|
|
|
25th
|
|
|
23.05
|
|
22.84
|
|
|
75th
|
|
|
30.90
|
|
30.43
|
|
|
Missing
(%)
|
|
|
5.71
|
|
4.00
|
|
|
BMI—categorized
|
Missing
|
94
|
|
5.71
|
8
|
8.51
|
|
0.9398
|
Normal
Weight (BMI
5-25)
|
619
|
|
37.61
|
78
|
12.60
|
|
|
Overweight
(BMI 25-29.9)
|
481
|
|
29.22
|
61
|
12.68
|
|
|
Obese
(BMI 30-34.9)
|
242
|
|
14.70
|
27
|
11.16
|
|
|
Extremely
obese (BMI > 35)
|
210
|
|
12.76
|
26
|
12.38
|
|
|
History of pregnancy
(N = 1,646)
|
Missing
|
27
|
|
1.64
|
3
|
11.11
|
|
0.5374
|
Nulligravid
|
456
|
|
27.70
|
61
|
|
13.38
|
|
Nulliparous (Gravid)
|
255
|
|
15.49
|
27
|
|
10.59
|
|
Parous
|
908
|
|
55.16
|
109
|
|
12.00
|
|
Medical History
|
Smoking status
(N = 1,646)
|
Missing
|
28
|
|
1.70
|
3
|
|
10.71
|
0.0875
|
Never
|
1,057
|
|
64.22
|
118
|
|
11.16
|
|
Current/ previous
|
561
|
|
34.08
|
79
|
|
14.08
|
|
Comorbidity
(N = 1,646)
|
No/missing
|
1,115
|
|
67.74
|
139
|
|
12.47
|
0.5700
|
Yes
|
531
|
|
32.26
|
61
|
|
11.49
|
|
Previous procedure
(N = 1,646)
|
Missing
|
6
|
|
0.36
|
0
|
|
0.00
|
0.3284
|
No
|
1,053
|
|
63.97
|
127
|
|
12.06
|
|
Myomectomy
|
225
|
|
13.67
|
24
|
|
10.67
|
|
D & C
|
287
|
|
17.44
|
35
|
|
12.20
|
|
Other
invasive procedure
|
75
|
|
4.56
|
14
|
|
18.67
|
|
Previous procedure
(N = 1,646)
|
Missing
|
6
|
|
0.36
|
0
|
|
0.00
|
0.8238
|
No
|
1053
|
|
63.97
|
127
|
|
12.06
|
|
Yes
|
587
|
|
35.66
|
73
|
|
12.44
|
|
Previous medical therapy
(N = 1,646)
|
Missing
|
1
|
|
0.06
|
0
|
|
0.00
|
0.2467
|
None
|
858
|
|
52.13
|
100
|
|
11.66
|
|
GnRH
|
79
|
|
4.80
|
16
|
|
20.25
|
|
Oral
pill
|
292
|
|
17.74
|
34
|
|
11.64
|
|
NSAIDS
|
264
|
|
16.04
|
30
|
|
11.36
|
|
Other
|
152
|
|
9.23
|
20
|
|
13.16
|
|
Previous medical therapy
(N = 1,646)
|
Missing
|
1
|
|
0.06
|
0
|
|
0.00
|
0.5145
|
No
|
858
|
|
52.13
|
100
|
|
11.66
|
|
Yes
|
787
|
|
47.81
|
100
|
|
12.71
|
|
Presentation Signs and Symptoms
|
Fibroid morphology
(N = 1,646)
|
Missing
|
215
|
|
13.06
|
29
|
|
13.49
|
0.0377
|
Subserosal
|
208
|
|
12.64
|
25
|
|
12.02
|
|
Intra/trans-mural
|
926
|
|
56.26
|
123
|
|
13.28
|
|
Submucosal
|
297
|
|
18.04
|
23
|
|
7.74
|
|
Fibroid location
(N = 1,646)
|
Missing
|
102
|
|
6.20
|
11
|
|
10.78
|
0.6214
|
Fundal
|
462
|
|
28.07
|
58
|
|
12.55
|
|
Body-lateral
|
289
|
|
17.56
|
42
|
|
14.53
|
|
Body-anterior
|
362
|
|
21.99
|
41
|
|
11.33
|
|
Body-posterior
|
305
|
|
18.53
|
32
|
|
10.49
|
|
Lower
uterine segment/cervix
|
126
|
|
7.65
|
16
|
|
12.70
|
|
Number of fibroids
(N = 1,646)
|
Missing
|
63
|
|
3.83
|
6
|
|
9.52
|
0.0006
|
1
|
389
|
|
23.63
|
70
|
|
17.99
|
|
2
|
270
|
|
16.40
|
36
|
|
13.33
|
|
3
|
215
|
|
13.06
|
24
|
|
11.16
|
|
4
|
105
|
|
6.38
|
8
|
|
7.62
|
|
5
|
604
|
|
36.70
|
56
|
|
9.27
|
|
Fibroid size— categorized
|
Missing
|
85
|
|
5.16
|
12
|
|
14.12
|
0.0040
|
1-4
cm
|
298
|
|
18.10
|
24
|
|
8.05
|
|
4-8
cm
|
809
|
|
49.15
|
92
|
|
11.37
|
|
8-30
cm
|
454
|
|
27.58
|
72
|
|
15.86
|
|
Fibroid size
(N = 1,561)
|
Mean
|
|
6.54
|
|
188
|
7.45
|
|
0.0013
|
STD
|
|
3.05
|
|
|
3.85
|
|
|
Median
|
|
6.00
|
|
|
6.55
|
|
|
25th
percentile
|
|
4.20
|
|
|
5.00
|
|
|
75th
percentile
|
|
8.20
|
|
|
9.00
|
|
|
Missing
(%)
|
|
5.16
|
|
|
6.00
|
|
|
Uterine volume— categorized
|
Missing
|
125
|
|
7.59
|
16
|
|
12.80
|
0.3617
|
100-500
cc
|
733
|
|
44.53
|
82
|
|
11.19
|
|
500-1000
cc
|
532
|
|
32.32
|
73
|
|
13.72
|
|
1000-4500
cc
|
256
|
|
15.55
|
29
|
|
11.33
|
|
Uterine volume
(N = 1,521)
|
Mean
|
|
646.20
|
|
184
|
687.13
|
|
0.6288
|
STD
|
|
492.59
|
|
|
581.45
|
|
|
Median
|
|
517.50
|
|
|
548.60
|
|
|
25th
percentile
|
|
313.20
|
|
|
314.25
|
|
|
75th
percentile
|
|
822.18
|
|
|
835.02
|
|
|
Missing
(%)
|
|
7.59
|
|
|
8.00
|
|
|
Predominant/primary presenting symptom
(N = 1,646)
|
Heavy
menstrual bleeding
|
991
|
|
60.21
|
115
|
|
11.60
|
0.3192
|
Intermenstrual or menstrual pelvic
pain
|
210
|
|
12.76
|
26
|
|
12.38
|
|
Bulk-related
symptoms
|
414
|
|
25.15
|
52
|
|
12.56
|
|
Other
|
31
|
|
1.88
|
7
|
|
22.58
|
|
Medication Use
|
DVT prophylaxis
(N = 1,646)
|
Missing
|
14
|
|
0.85
|
1
|
|
7.14
|
0.2352
|
No
|
1,594
|
|
96.84
|
192
|
|
12.05
|
|
Yes
|
38
|
|
2.31
|
7
|
|
18.42
|
|
Prophylactic antibiotics
(N = 1,646)
|
Missing
|
11
|
|
0.67
|
1
|
|
9.09
|
0.9229
|
No
|
242
|
|
14.70
|
29
|
|
11.98
|
|
Yes
|
1,393
|
|
84.63
|
170
|
|
12.20
|
|
Procedure
Details
|
Vessels embolized
(N = 1,646)
|
UA
bilateral
|
1585
|
|
96.29
|
186
|
|
11.74
|
0.0144
|
UA
single
|
58
|
|
3.52
|
14
|
|
24.14
|
|
Other
|
3
|
|
0.18
|
0
|
|
0.00
|
|
Duration of procedure (min)
(N = 1,619)
|
Mean
|
|
60.04
|
|
197
|
61.17
|
|
0.3658
|
STD
|
|
31.45
|
|
|
30.73
|
|
|
Median
|
|
55.00
|
|
|
55.00
|
|
|
25th
percentile
|
|
40.00
|
|
|
41.00
|
|
|
75th
percentile
|
|
70.00
|
|
|
70.00
|
|
|
Missing
(%)
|
|
1.64
|
|
|
1.50
|
|
|
Duration of procedure (min)—categorized
|
Missing
|
27
|
|
1.64
|
3
|
|
11.11
|
0.7449
|
<
30 min
|
174
|
|
10.57
|
19
|
|
10.92
|
|
30-60
min
|
739
|
|
44.90
|
86
|
|
11.64
|
|
60-90
min
|
482
|
|
29.28
|
65
|
|
13.49
|
|
>
90min
|
224
|
|
13.61
|
27
|
|
12.05
|
|
Agent used
(N = 1,646)
|
Embosphere Orig.
|
1025
|
|
62.27
|
123
|
|
12.00
|
0.5704
|
EmboGold
|
143
|
|
8.69
|
13
|
|
9.09
|
|
Gelatin
sponge/other
|
117
|
|
7.11
|
15
|
|
12.82
|
|
PVA
|
361
|
|
21.93
|
49
|
|
13.57
|
|
Recovery
|
Length of stay
(N = 1,620)
|
Mean
|
|
1.49
|
|
197
|
1.09
|
|
0.4122
|
STD
|
|
10.20
|
|
|
2.31
|
|
|
Median
|
|
1.00
|
|
|
1.00
|
|
|
25th
percentile
|
|
1.00
|
|
|
1.00
|
|
|
75th
percentile
|
|
1.00
|
|
|
1.00
|
|
|
Missing
(%)
|
|
1.58
|
|
|
1.50
|
|
|
Time to return to normal activity
(N = 1,459)
|
Mean
|
|
14.35
|
|
180
|
15.13
|
|
0.3365
|
STD
|
|
9.15
|
|
|
9.85
|
|
|
Median
|
|
14.00
|
|
|
14.00
|
|
|
25th
percentile
|
|
7.00
|
|
|
7.00
|
|
|
75th
percentile
|
|
21.00
|
|
|
21.00
|
|
|
Missing(%)
|
|
11.36
|
|
|
10.00
|
|
|
Time to return to work
(N = 1,329)
|
Mean
|
|
9.15
|
|
161
|
9.80
|
|
0.0901
|
STD
|
|
5.96
|
|
|
6.35
|
|
|
Median
|
|
7.00
|
|
|
8.00
|
|
|
25th
percentile
|
|
5.00
|
|
|
5.00
|
|
|
75th
percentile
|
|
12.00
|
|
|
12.00
|
|
|
Missing
(%)
|
|
12.91
|
|
|
12.50
|
|
|
Site
Information
|
Academic hospital
(N = 1,646)
|
No
|
695
|
42.22
|
|
76
|
|
10.94
|
0.1970
|
Yes
|
951
|
57.78
|
|
124
|
|
13.04
|
|
Site experience— categorized
(N = 1,646)
|
0-117
cases
|
268
|
16.28
|
|
34
|
|
12.69
|
0.3503
|
118-200
cases
|
483
|
29.34
|
|
63
|
|
13.04
|
|
200-390
cases
|
453
|
27.52
|
|
43
|
|
9.49
|
|
391-751
cases
|
407
|
24.73
|
|
56
|
|
13.76
|
|
>
752 cases
|
35
|
2.13
|
|
4
|
|
11.43
|
|
a For categorical variable, reports %. For continuous variable, reports mean, median, STD, Q1, Q3.
b Wilcoxon two-sample test for continuous variables. Chi-square test for categorical variables.
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