Table 4

Comparison of health service utilisation per patient per 10 weeks across the three study groups

Healthcare resource use per patient per 10 weeks	Video group (n=35) median (IQR)	Telephone group (n=24) median (IQR)	Control group (n=24) median (IQR)	p Value
GP	2.0 (1.0–3.2)^A	3.9 (2.6–7.5)^B	2.1 (0–3.3)^A	0.002^*
Admission to hospital	0 (0–0)^B	0 (0–0.96)^A	0.5 (0–1.1)^A	0.006^*
Emergency department	0 (0–0)^B	0.22 (0–2.0)^{A B}	0 (0–1.1)^A	0.034^*
Outpatient clinic	1.0 (0.9–0.02)	1.2 (0.91–2.0)	2.0 (0.01–3.3)	0.38^*
Ward attender at paediatric cardiology department	1.0 (0.91–0.15)	1.2 (0.9–2.0)	1.1 (1.0–2.4)	0.68^*
Cardiac liaison nurse contact	1.8 (0.89–2.1)^A	2.2 (1.1–3.1)^{A B}	4.2 (2.2–6.2)^B	0.001^*
Total NHS episodes	Mean=7.7 ^C	Mean=13.3^D	Mean=12.9^D	<0.001^†
Total NHS episodes	SD=3.2	SD=6.6	SD=7.2

↵* Kruskall–Wallis.
↵† Analysis of variance: superscripts A and B denote groups which are not significantly different at the 5% level using Mann–Whitney U test and Bonferoni correction; superscripts C and D denote groups which are not significantly different at the 5% level using a post-hoc Duncan test.