Skip Navigation U.S. Department of Health and Human Services www.hhs.gov
Agency for Healthcare Research Quality www.ahrq.gov
Archive print banner
The FIBROID Registry

This information is for reference purposes only. It was current when produced and may now be outdated. Archive material is no longer maintained, and some links may not work. Persons with disabilities having difficulty accessing this information should contact us at: https://info.ahrq.gov. Let us know the nature of the problem, the Web address of what you want, and your contact information.

Please go to www.ahrq.gov for current information.

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.

Return to Document

 

The information on this page is archived and provided for reference purposes only.

 

AHRQ Advancing Excellence in Health Care