Frequency of office blood pressure measurements and the seasonal variability of blood pressure: results of the Hungarian Hypertension Registry

Figures & data

Table 1. General descriptives of the physicians and the general practitioners’ practices.

Mean age of the physicians (years)	53.45 ± 10.95
GPs (n (%))	2491 (83.9)
Internists, cardiologists (n (%))	477 (16.1)
Number of GP patients (n (%))
<1500	572 (23)
1500–2000	1046 (42)
>2000	874 (35.1)
Number of assistants at GPs (n (%))
1	1776 (71.4)
2	694 (27.9)
3	13 (0.5)
4	4 (0.2)

GP: general practitioner.

Figure 1. Average number of daily measurements in different measurement periods.

Figure 2. The proportion of patients in different blood pressure categories.

Table 2. The effect of different confounders for the blood pressure and heart rate.

A. The effect of specialisation for blood pressure and heart rate.
	GP specialisation/other		Internist/cardiologist specialisation		t	p	g
	M	SD	M	SD
sBP	141.13	5.00	139.45	7.28	4.820	<0.001	0.31	Small effect
dBP	85.41	2.61	83.99	4.13	7.279	<0.001	0.49	Moderate effect
Heart rate	80.87	2.65	79.24	3.04	10.963	<0.001	0.60	Moderate effect

Table

B. The effect of the number of assistants for blood pressure and heart rate (only GPs).
	One assistant		Two or more assistants		t	p	g
	M	SD	M	SD
sBP	141.06	4.97	141.30	5.09	−1.049	0.295	0.05	No effect
dBP	85.37	2.63	85.54	2.53	−1.543	0.123	0.07	No effect
Heart rate	80.73	2.68	81.24	2.57	−4.408	<0.001	0.19	No effect

Table

C. The effect of the number of patients in practices for blood pressure and heart rate (only GPs).
	<1500 (1)		1500–2000 (2)		>2000 (3)
	M	SD	M	SD	M	SD	F	p	η^2p	Effect post-hoc
Systole	140.02	5.13	141.12	4.93	141.86	4.87	23.880	<0.001	0.19	Huge effect (1)<(2)<(3)
Diastole	84.98	2.56	85.36	2.66	85.77	2.53	16.364	<0.001	0.13	Moderate effect (1)<(2)<(3)
Pulse	80.46	2.67	80.95	2.69	81.06	2.57	9.594	<0.001	0.01	Small effect (1)<(2)=(3)

Figure 3. Seasonal changes in systolic and diastolic blood pressure and calculated average daily temperature values during the measurement period. Red line: systolic blood pressure, green line: diastolic blood pressure, blue line: temperature values in °Celsius ± SD.