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Table 1 Comparison of characteristics of EMR-based CHC versus stratified sample based on payor between 10/02/2014–12/31/2017

From: The Carolina hysterectomy cohort (CHC): a novel case series of reproductive-aged hysterectomy patients across 10 hospitals in the US south

Variable

Categories

EMR based total Sample

Publica

Privatea

Uninsureda

p-value

N (%) /

Median (IQR)

N = 1857 (100%)

N (column percent)

N (column percent)

N (column percent)

N = 321 (100%)

N = 1393 (100%)

N = 143 (100%)

DEMOGRAPHIC CHARACTERISTICS

 

Race/ethnicitye

Non-Hispanic White

1030 (55.5)

174 (54.2)

814 (58.4)

42 (29.4)

<.0001

Non-Hispanic African American/Black

565 (30.4)

111 (34.6)

426 (30.6)

28 (19.6)

 

Hispanic

158 (8.5)

18 (5.6)

75 (5.4)

65 (45.5)

 

Non-Hispanic Asian

22 (1.2)

< 10

19 (1.4)

< 10

 

Non-Hispanic American Indian/Alaska Native

17 (0.9)

< 10

< 10

< 10

 

Other

31 (1.7)

< 10

25 (1.8)

< 10

 

Unknown/Refused

34 (1.8)

< 10

25 (1.8)

< 10

 

Marital statuse

Married

1063 (57.2)

93 (29.0)

903 (64.8)

67 (46.9)

<.0001

Single

509 (27.4)

144 (44.9)

306 (22.0)

59 (41.3)

 

Divorced

128 (6.9)

37 (11.5)

85 (6.1)

< 10

 

Legally Separated

52 (2.8)

15 (4.7)

33 (2.4)

< 10

 

Widowed

< 10

< 10

< 10

< 10

 

Domestic Partner

< 10

< 10

< 10

< 10

 

Unknown

98 (5.3)

29 (9.0)

63 (4.5)

< 10

 

Age at Hysterectomy (y)f

Median (IQR)

40.1 (36.6, 42.8)

38.8 (33.4, 42.2)

40.3 (36.9, 42.9)

40.1 (36.9, 43.2)

<.0001

Rurality of patient’s home addressbg

Urban

1371 (73.8)

204 (63.6)

1062 (76.2)

105 (73.4)

<.0001

Rural

486 (26.2)

117 (36.5)

331 (23.8)

38 (26.6)

 

CLINICAL CONDITIONS

 

Diagnoses associated with surgerycg

Menorrhagia

1266 (68.2)

236 (73.5)

934 (67.0)

96 (67.1)

0.0776

Fibroids

1104 (59.5)

150 (46.7)

857 (61.5)

97 (67.8)

<.0001

Endometriosis

659 (35.5)

113 (35.2)

487 (35.0)

59 (41.3)

0.3229

Anemia

359 (19.3)

61 (19.0)

254 (18.2)

44 (30.8)

0.0014

Pain

298 (16.0)

76 (23.7)

200 (14.4)

22 (15.4)

0.0002

Primary indication for hysterectomy, according to surgeon pre-operative notedg

Menorrhagia

640 (34.5)

76 (23.7)

542 (38.9)

22 (15.4)

<.0001

Fibroids

692 (37.3)

80 (24.9)

556 (39.9)

56 (39.2)

<.0001

Abnormal uterine bleeding/ dysfunctional uterine bleeding/menometrorrhagia

472 (25.4)

134 (41.7)

286 (20.5)

52 (36.4)

<.0001

Dysmenorrhea

326 (17.6)

70 (21.8)

231 (16.6)

25 (17.5)

0.0855

Charlson’s comorbidity index

 

0 (0, 0)

0 (0, 1)

0 (0, 0)

0 (0, 0)

<.0001

SYMPTOM SEVERITY SCORES

 

Bulkf

Median (IQR)

1.0 (0.0,4.0)

1.0 (0.0, 2.0)

1.0 (0.0, 4.0)

1.0 (0.0, 4.0)

0.0013

Bleedf

Median (IQR)

5.0 (2.0,10.0)

7.0 (3.0, 12.0)

5.0 (2.0, 9.0)

9.0 (4.0, 19.0)

<.0001

Painf

Median (IQR)

4.0 (1.0, 8.0)

6.0 (3.0, 11.0)

3.0 (0.0, 7.0)

6.0 (2.0, 11.0)

<.0001

HOSPITAL

 

Hospital typeg

Non-Academic Medical Center

1073 (57.8)

122 (38.0)

931 (66.8)

20 (14.0)

<.0001

Teaching/Academic Medical Center

784 (42.2)

199 (62.0)

462 (33.2)

123 (86.0)

 

SURGEON CHARACTERISTICS (N= 115)

Sexe

Female

 

63 (54.8)

11

(37.9)

35

(45.5)

< 10

0.3271

Male

 

52 (45.2)

18

(62.1)

42

(54.6)

< 10

 

Race/Ethnicitye

Non-Hispanic White

 

82 (71.3)

21 (72.4)

53 (68.8)

< 10

0.9695

Non-Hispanic Black

 

11 (9.6)

< 10

< 10

< 10

 

Asian/Pacific Islander

 

12 (10.4)

< 10

< 10

< 10

 

Hispanic

 

< 10

< 10

< 10

< 10

 

Surgeon volumee

Annualized surgeon volume < 10

 

97 (84.3)

25

(86.2)

64

(83.1)

< 10

0.8586

Annualized surgeon volume > =10

 

18 (15.7)

< 10

13

16.88

< 10

 

Surgeon years in practice since June 30 of residency completion year

Median (IQR)

 

13.5 (3.5, 21.0)

10.0 (3.0, 21.0)

15.0 (6.0, 21.0)

10.0 (1.0, 17.0)

0.5049

Surgeon reported primary area of practicee

Gynecology/Gynecologic oncology

 

28 (24.4)

< 10

19 (24.7)

< 10

0.0003

Obstetrics and Gynecology

 

85 (73.9)

21 (72.4)

58 (75.3)

< 10

 

Other

 

< 10

< 10

< 10

< 10

 
  1. aPublic includes those who are covered by Medicaid (N = 226), Medicare (N = 67), dual eligibility, and state-covered incarcerated patients (N = 28); private includes those who are covered by private insurance (N = 1340), including those who have combination coverage, and Tricare (N = 53); uninsured (N = 143) includes those who have no other coverage; bPatients were excluded if they were not residents of the state in which the hospital system is based either at the time of surgery or at the time of data pull; cDiagnoses listed in patients’ structured EMR at time of surgery; they are neither exclusive (total > 1911) nor exhaustive; the ones included here are the most prevalent in this sample, present in at least 298 patients (16%); d Preoperative primary indication for surgery from unstructured EMR; The categories are not mutually exclusive. In addition, the categories presented are not exhaustive: instead, the ones included here are the most prevalent in this sample, present in at least 326 patients (17.6%); e Exact test; f Kruskal-Wallis test; g Chi-square test; IQR Interquartile range, CHC Carolina Hysterectomy Cohort
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