Variable breakdown

heart_rate_second

---

Section and category

Physical Exam.Blood pressure

---

Description

“Second heart rate measurement”

---

Additional information

	Metadata
validation	Soft min: 45 or (Heart_rate_first -10), Soft max: 120 or (Heart_rate_first + 10)
contents	No. of bpm
hard_min	20
hard_max	200
is_mandatory	Yes

---

Data summary

Baseline

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
78.71	11.93	32	70	78	86	195	11.86	16	0.15	0.61	0	0.85	515413	100

Qc

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
78.18	11.07	42	70	77	85	144	10.38	15	0.14	0.56	0.02	0.7	15816	100

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
78.17	11.42	36	70	77	85	144	10.38	15	0.15	0.53	0.02	0.55	19803	100

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
76.97	11.83	25	69	76	84	184	10.38	15	0.15	0.61	0.02	1.04	25082	99.33

---

Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Qc	Resurvey1	Resurvey2
Baseline	1.000	0.614	0.468	0.455
Qc	0.614	1.000	0.455	0.436
Resurvey1	0.468	0.455	1.000	0.446
Resurvey2	0.455	0.436	0.446	1.000

---

International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email: ckbaccess@ndph.ox.ac.uk

Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024