Table 4 Baseline characteristics of patients in the OPTICA trial who were recruited from the screening list and those who were recruited outside of the screening list

Median age (IQR)

77 (72–82)

79 (74–84)

0.088

0.183

Sex

 Women (%)

106 (47)

40 (40)

0.276

0.14

 Men (%)

118 (53)

59 (60)

Median number of chronic conditions (IQR)

4 (3–6)

4 (3–6)

0.774

0.086

Median number of medications in the last 12 months (IQR)

6 (5–9)

7 (3–9)

0.464

0.16

Health services use (in the last 12 months)

 Median number of consultations (IQR)

17 (10–26)

14 (9–21)

0.031

0.303

 Median number of blood pressure measurements (IQR)

3 (2–6)

3 (1–5)

0.197

0.034

 Median number of Body Mass Index measurements (IQR)

1 (1–2)

2 (1–3)

0.255

0.329

 Median number of HbA1c measurements (IQR)

2 (1–3)

2 (1–4)

0.332

0.147

 Median number of glomerular filtration rate (GFR) measurements (IQR)

2 (1–3)

2 (1–3)

0.901

0.045

 Median number of lipid profile measurements (IQR)

1 (1–2)

1 (1–2)

0.667

0.101

Lab values & vital signs (in the last 12 months)

 Median systolic blood pressure (IQR)

137 (125–147)

139 (130–150)

0.397

0.102

 Median diastolic blood pressure (IQR)

76 (70–83)

76 (71–83)

0.801

0.078

 Median Body Mass Index (IQR)

29 (25–32)

29 (25–33)

0.902

0.015

 Median HbA1c (IQR)

6.3 (5.8–7.0)

6.4 (5.6–7.0)

0.991

0.02

 Median GFR (IQR)

66.5 (53.4–80.1)

62.7 (48–6-78.9)

0.264

0.167