Table 2 Audit periods and age (years) demographics of optometric referrals in the six practices.

From: Referrals from community optometrists to the hospital eye service in Scotland and England

Practice

Audit period

Mean age

Median age

Min. age

Max. age

GDHI (£)

RR (%) (95% confidence interval)

S1

Aug 2016 to July 2017

64

70

3

94

19,000

7.2 (6.1–8.4)

S2

Aug 2016 to Sept 2017

61

68

1

94

19,500

2.6 (2.2–3.0)

S3

June 2016 to Aug 2017

68

72

1

90

21,500

7.0 (4.3–10.7)

E1

Mar 2016 to Jan 2018

66

71

4

93

24,500

3.6 (3.1–4.2)

E2

Aug 2015 to Oct 2017

64

69

4

92

18,500

8.7 (6.7–11.0)

E3

May 2015 to Nov 2017

66

72

3

93

28,000

6.5 (5.5–7.6)

  1. Min minimum, Max maximum, GDHI gross domestic household income per head, £ pounds sterling, RR referral rate.