Table 2

Blood pressure and blood lipid levels among patients with angina according to the time of cardiology referral.

	Cardiology referral

	0–18 months (n = 5106)		19–36 months (n = 1337)		Never (n = 4012)

Recorded information	n	% (99% CI)^a	n	% (99% CI)^a	n	% (99% CI)^a	P-value
Blood pressure	4208	82.4 (81.0 to 83.7)	1070	80.0 (77.0 to 82.2)	2441	60.8 (58.8 to 62.8)	<0.001
Cholesterol	3705	72.6 (70.9 to 74.1)	917	68.6 (65.2 to 71.8)	1818	45.3 (43.2 to 47.3)	<0.001
Blood pressure control (mmHg)^b
<140/90	1779	42.3 (40.3 to 44.2)	409	38.2 (34.4 to 42.1)	986	40.4 (37.8 to 42.9)	0.035
≥140/90	2429	57.7 (55.7 to 59.6)	661	61.8 (57.8 to 65.5)	1455	59.6 (56.5 to 61.7)	0.036
Cholesterol levels (mmol/L)^c
<5.2	1490	40.2 (38.1 to 42.3)	341	37.2 (33.0 to 41.4)	706	38.8 (35.8 to 41.8)	0.208
5.2–6.2	1322	35.7 (33.6 to 37.7)	343	37.4 (33.3 to 41.6)	613	33.7 (30.8 to 36.6)	0.134
6.3–7.4	739	19.9 (18.2 to 21.6)	187	20.4 (17.0 to 24.0)	407	22.4 (19.9 to 25.0)	0.096
>7.5	154	4.2 (3.3 to 5.0)	46	5.0 (3.3 to 7.1)	92	5.1 (3.5 to 6.5)	0.252

↵^aProportions and 99% CIs were estimated by using the total number of patients with recorded information as the denominator.
↵^bOnly 73.8% of sample had blood pressure recorded.
↵^cOnly 61.6% of sample had cholesterol recorded.