Table 2

Summary of the measurements recorded on the patients

	Number with data	Mean	Median	SD	Range
Age (years)	717	67.5	67.2	2.3	63.4–73.6
Average pulse (beats/min)	714	66	66	11.2	38–112
Average blood pressure (BP)	714	107	107	14.4	74–161
Average systolic BP	714	155	154	22.6	133–228
Average diastolic BP	714	83	83	12.3	52–137
Body mass index (kg/m²)	714	27.0	26.5	4.0	17.4–43.1
Birth weight (ounces)	717	122	120	18	64–180
Weight at 1 year (ounces)	717	353	352	40	176–480
Maximum IOP	716	17.9	18.0	2.88	12–34
Maximum C/D ratio	711	0.23	0.20	0.16	0–1
Random blood glucose (mmol/l)	711	6.3	5.7	2.5	3.4–31
Packed cell volume	711	0.425	0.424	0.035	0.30–0.54