Table 1: Open in new tab Comparison of...

Baseline characteristics	Overall	Women	Men	SMD (absolute)
Demographic and hospital characteristics
Age (years), mean (SD)	66.8 (66.74–66.85)	66.6 (66.5–66.7)	67.6 (67.5–67.7)	0.1
Caucasian race (%)	75.6	76.9	71.0	0.14
Lowest quartile household income (%)	28.3	27.1	32.7	0.13
Medicare/Medicaid insurance (%)	35.9	37.5	30.2	0.15
Large hospital bed size (%)	58.6	58.8	57.7	0.02
Teaching hospital (%)	82.7	82.9	82.3	0.01
Elective admission (%)	42.8	44.6	36.2	0.17
Patient comorbidity (%)
Congestive heart failure	40.2	39.0	44.5	0.11
NSTEMI	39.2	37.4	45.7	0.17
Prior sternotomy	4.7	4.8	4.5	0.02
Arrhythmia	47.1	49.0	40.6	0.17
Valvular disease	19.8	19.0	22.6	0.09
Diabetes mellitus	51.4	49.5	58.4	0.18
Hypertension	47	45.7	51.6	0.12
Chronic kidney disease (stage III–IV)	11.5	11.1	13.1	0.06
Peripheral vascular disease	13.5	13.4	14.0	0.02
Cerebrovascular accident	2.1	1.9	3.0	0.08
Chronic pulmonary disease	20.7	19.0	26.9	0.2
Coagulopathy	21.4	22.1	19.4	0.07
Anaemia	3.2	2.7	5.1	0.13
Malignancy	2.6	2.7	2.4	0.02
Liver disease	1.8	1.7	2.3	0.05
Obesity	28.9	27.7	33.6	0.13

Baseline characteristics

Overall

Women

Men

SMD (absolute)

NE = 121 150

NE = 26 280

NE = 94 870

Demographic and hospital characteristics

Age (years), mean (SD)

66.8 (66.74–66.85)

66.6 (66.5–66.7)

67.6 (67.5–67.7)

0.1

Caucasian race (%)

75.6

76.9

71.0

0.14

Lowest quartile household income (%)

28.3

27.1

32.7

0.13

Medicare/Medicaid insurance (%)

35.9

37.5

30.2

0.15

Large hospital bed size (%)

58.6

58.8

57.7

0.02

Teaching hospital (%)

82.7

82.9

82.3

0.01

Elective admission (%)

42.8

44.6

36.2

0.17

Patient comorbidity (%)

Congestive heart failure

40.2

39.0

44.5

0.11

NSTEMI

39.2

37.4

45.7

0.17

Prior sternotomy

4.7

4.8

4.5

0.02

Arrhythmia

47.1

49.0

40.6

0.17

Valvular disease

19.8

19.0

22.6

0.09

Diabetes mellitus

51.4

49.5

58.4

0.18

Hypertension

45.7

51.6

0.12

Chronic kidney disease (stage III–IV)

11.5

11.1

13.1

0.06

Peripheral vascular disease

13.5

13.4

14.0

0.02

Cerebrovascular accident

2.1

1.9

3.0

0.08

Chronic pulmonary disease

20.7

19.0

26.9

0.2

Coagulopathy

21.4

22.1

19.4

0.07

Anaemia

3.2

2.7

5.1

0.13

Malignancy

2.6

2.7

2.4

0.02

Liver disease

1.8

1.7

2.3

0.05

Obesity

28.9

27.7

33.6

0.13

Baseline characteristics	Overall	Women	Men	SMD (absolute)
Demographic and hospital characteristics
Age (years), mean (SD)	66.8 (66.74–66.85)	66.6 (66.5–66.7)	67.6 (67.5–67.7)	0.1
Caucasian race (%)	75.6	76.9	71.0	0.14
Lowest quartile household income (%)	28.3	27.1	32.7	0.13
Medicare/Medicaid insurance (%)	35.9	37.5	30.2	0.15
Large hospital bed size (%)	58.6	58.8	57.7	0.02
Teaching hospital (%)	82.7	82.9	82.3	0.01
Elective admission (%)	42.8	44.6	36.2	0.17
Patient comorbidity (%)
Congestive heart failure	40.2	39.0	44.5	0.11
NSTEMI	39.2	37.4	45.7	0.17
Prior sternotomy	4.7	4.8	4.5	0.02
Arrhythmia	47.1	49.0	40.6	0.17
Valvular disease	19.8	19.0	22.6	0.09
Diabetes mellitus	51.4	49.5	58.4	0.18
Hypertension	47	45.7	51.6	0.12
Chronic kidney disease (stage III–IV)	11.5	11.1	13.1	0.06
Peripheral vascular disease	13.5	13.4	14.0	0.02
Cerebrovascular accident	2.1	1.9	3.0	0.08
Chronic pulmonary disease	20.7	19.0	26.9	0.2
Coagulopathy	21.4	22.1	19.4	0.07
Anaemia	3.2	2.7	5.1	0.13
Malignancy	2.6	2.7	2.4	0.02
Liver disease	1.8	1.7	2.3	0.05
Obesity	28.9	27.7	33.6	0.13

Table 1:

Open in new tab

Comparison of baseline characteristics between men and women

Baseline characteristics	Overall	Women	Men	SMD (absolute)
Baseline characteristics	NE = 121 150	NE = 26 280	NE = 94 870	SMD (absolute)
Demographic and hospital characteristics
Age (years), mean (SD)	66.8 (66.74–66.85)	66.6 (66.5–66.7)	67.6 (67.5–67.7)	0.1
Caucasian race (%)	75.6	76.9	71.0	0.14
Lowest quartile household income (%)	28.3	27.1	32.7	0.13
Medicare/Medicaid insurance (%)	35.9	37.5	30.2	0.15
Large hospital bed size (%)	58.6	58.8	57.7	0.02
Teaching hospital (%)	82.7	82.9	82.3	0.01
Elective admission (%)	42.8	44.6	36.2	0.17
Patient comorbidity (%)
Congestive heart failure	40.2	39.0	44.5	0.11
NSTEMI	39.2	37.4	45.7	0.17
Prior sternotomy	4.7	4.8	4.5	0.02
Arrhythmia	47.1	49.0	40.6	0.17
Valvular disease	19.8	19.0	22.6	0.09
Diabetes mellitus	51.4	49.5	58.4	0.18
Hypertension	47	45.7	51.6	0.12
Chronic kidney disease (stage III–IV)	11.5	11.1	13.1	0.06
Peripheral vascular disease	13.5	13.4	14.0	0.02
Cerebrovascular accident	2.1	1.9	3.0	0.08
Chronic pulmonary disease	20.7	19.0	26.9	0.2
Coagulopathy	21.4	22.1	19.4	0.07
Anaemia	3.2	2.7	5.1	0.13
Malignancy	2.6	2.7	2.4	0.02
Liver disease	1.8	1.7	2.3	0.05
Obesity	28.9	27.7	33.6	0.13

Baseline characteristics	Overall	Women	Men	SMD (absolute)
Baseline characteristics	NE = 121 150	NE = 26 280	NE = 94 870	SMD (absolute)
Demographic and hospital characteristics
Age (years), mean (SD)	66.8 (66.74–66.85)	66.6 (66.5–66.7)	67.6 (67.5–67.7)	0.1
Caucasian race (%)	75.6	76.9	71.0	0.14
Lowest quartile household income (%)	28.3	27.1	32.7	0.13
Medicare/Medicaid insurance (%)	35.9	37.5	30.2	0.15
Large hospital bed size (%)	58.6	58.8	57.7	0.02
Teaching hospital (%)	82.7	82.9	82.3	0.01
Elective admission (%)	42.8	44.6	36.2	0.17
Patient comorbidity (%)
Congestive heart failure	40.2	39.0	44.5	0.11
NSTEMI	39.2	37.4	45.7	0.17
Prior sternotomy	4.7	4.8	4.5	0.02
Arrhythmia	47.1	49.0	40.6	0.17
Valvular disease	19.8	19.0	22.6	0.09
Diabetes mellitus	51.4	49.5	58.4	0.18
Hypertension	47	45.7	51.6	0.12
Chronic kidney disease (stage III–IV)	11.5	11.1	13.1	0.06
Peripheral vascular disease	13.5	13.4	14.0	0.02
Cerebrovascular accident	2.1	1.9	3.0	0.08
Chronic pulmonary disease	20.7	19.0	26.9	0.2
Coagulopathy	21.4	22.1	19.4	0.07
Anaemia	3.2	2.7	5.1	0.13
Malignancy	2.6	2.7	2.4	0.02
Liver disease	1.8	1.7	2.3	0.05
Obesity	28.9	27.7	33.6	0.13

NE: national estimates; NSTEMI: non-ST elevation myocardial infarction; SD: standard deviation; SMD: standardized mean difference.

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