Table 1 Patient demographics at the time of stress echocardiogram for all patients (N = 7636). Also shown is the range between the 28 participating NHS Trusts

Median age (years) (IQR)

66 (57–73)

Mean age (years) (SD)

67.8 (16.6)

55–68 (2.4)

Sex

 Female (%)

3358/7636 (44.0)

11–137 (31.3–57.6)

 Male (%)

4278/7636 (56.0)

15–726 (42.4–68.8)

Smoking status

 Non-smoker (%)

3654/7330 (49.9)

13–801 (35.6–65.7)

 Ex-smoker (%)

2772/7330 (37.8)

11–308 (18.9–55.2)

 Current smoker (%)

904/7330 (12.3)

3–161 (6.1–20.1)

Cardiac risk factors

 Hypertension (%)

3472/7238 (48.0)

13–388 (23.1–76.5)

 Hypercholesteremia (%)

2869/7238 (39.6)

6–692 (8.9–76.6)

 Peripheral vascular disease (%)

207/7238 (2.9)

0–47 (0–9.4)

 Diabetes (%)

1377/7238 (19.0)

5–133 (9.6–35.0)

 Family history of premature cardiovascular disease (%)

487/7238 (6.7)

0–98 (0–40.3)

 Previous CAD (%)

2773/7568 (36.6)

10–499 (3.4–61.8)

 Previous MI (%)

1273/7499 (17.0)

4–245 (2.4–46.8)

 Previous CABG (%)

536/7528 (7.1)

0–142 (0–15.5)

 Previous stent (%)

1394/7568 (18.4)

2–379 (0.7–32.7)

Medications

 Ace inhibitors (%)

1,298/7,616 (17.0)

4–176 (3.7–41.7)

 Angiotensin receptor blocker (%)

580/7,616 (7.6)

0–63 (0–22.4)

 Aspirin (%)

2,059/7,616 (27.0)

7–354 (6.5–61.5)

 Beta blocker (%)

1,759/7,616 (23.1)

6–279 (5.0–60.4)

 Calcium channel blocker (%)

1,181/7,616 (15.5)

3–179 (3.5–39.6)

 Nitrates (%)

1,441/7,616 (18.9)

4–134 (2.4–59.4)

 Statins (%)

3,462/7,616 (45.5)

17–464 (26.3–78.1)

 Resting RWMA (%)

1,092/7,612 (14.4)

1–177 (0.3–34.7)

 Deceased (%)

19/7,629 (0.3)

0–5 (0–3.7)