Table 1. Summary of Case Study

Published year	1st Author	Sample size	Onset of HZ	Type of medical use	Assessment methods	Results
2006	Yun HJ11)	1	2005.9.20	ADM(2005.11.14-2005.12.16)	VAS	VAS 9 → 1
2008	Choi CH12)	2	1) 2007.6.30 2) 2007.3	1) ADM(2007.8.10-2007.9.16)2) OPD(2007.5.17-2007.5.27)	VAS	1) VAS 10 → 1-2 2) VAS 10 → 2
2013	Yang DH13)	1	2011.4.15	ADM(2012.4.26-2012.5.23)	VAS, ICD	1) VAS 10 → 3 2) ICD 3 → 1
2015	Lee JB14)	1	2015.8	OPD(2015.9–2015.11)	VAS	VAS 7 → 0
2015	Jung HY15)	1	2014.7.26	ADM(2014.9.12-2014.10.2)	NRS	NRS 8 → 3
2018	Kweon SH16)	5	1) 2017.5.15 2) 2017.1.8  3) 2016.94) 2017.9.12  5) 2011	1) OPD(2017.6.21-2017.8.7)2) ADM(2017.2.13-2017.3.6)3) OPD(2017.7.29-2017.8.16) 4) OPD(2017.11.7-2018.2.9) 5) OPD(2018.4.24-2018.6.5)	VAS, PRS, QSP	1) VAS 7 → 2, PRS 70 → 10, QSP 3 → 02) VAS 8 → 4, PRS 88 → 32, QSP 3 → 1 3) VAS 5 → 1, PRS 30 → 4, QSP 1 → 04) VAS 9 → 2, PRS 72 → 14, QSP 3 → 0   5) VAS 7 → 3, PRS 49 → 15
2022	Jeon GR17)	1	2022.6	ADM + OPD(2022.7.19-2022.8.10)	NRS, BI, BDI	NRS 8 → 3, BI 90 → 100, BDI : 23 → 16
2004	Lee JE18)	1	NR(2003.1.8 PHN Dx.)	ADM(2003.2.6-2003.2.19)	Describe symptoms in writing	The intensity and frequency of pain decreased
2004	Chun SC19)	1	2003.12.23	OPD(2004.2.23-2004.4.30)	VAS	VAS 10 → 2-6

HZ: herpes zoster, Dx: diagnosis, ADM: admission, OPD: outpatient department, ICD: inconvenience degree, PRS: pain rating scale, QSP: quality of sleep, BI: barthel index, BDI: beck depression inventory, PHN: post-herpetic neuralgia