Corrigendum to “Efficacy Comparison of Five Different Acupuncture Methods on Pain, Stiffness, and Function in Osteoarthritis of the Knee: A Network Meta-Analysis”

Table 1

Characteristics of the included studies.

Author, Year	Location	Sample size/Gender		Mean Age		Interventions				Follow up
		T(M/F)	C(M/F)	T	C	T	Sessions/Duration	C	Measurement Time Points
							(n/ws)
									(ws)
Berman 2004[26	USA	190(70/120)	189(62/127)	65.2±8.4	65.1±8.8	EA	23/26	EDU	4/8/14/26	-
			191(73/118)		66.2±8.7			SN
Berman 1999[27	USA	36(18/18)	37(26/11)	65.7±7.95	65.5±9.13	EA	16/8	WL	4/8/12	4ws
Zhou 2017[18	China	56(23/33)	54(25/29)	65±6	63±6	FN	12/4	EA	4/8	4ws
Hinman 2014[28	Australia	70(38/32)	71(31/40)	64.3±8.6	62.7 ± 8.7	MA	8,12/12	WL	12/50	12ms
Lu 2014[17	China	30(16/14)	30(18/12)	58.93±9.26	59.10±7.85	EA	24/8	WN	8	NA
Manheimer 2006[29	USA	190(70/120)	189(62/127)	65.2±8.4	65.1±8.8	EA	23/26	EDU	4/8/14/26	-
			191(73/118)		66.2±8.7
								SN
Sangdee 2002[9	Thailand	48(10/38)	47(12/35)	65.10±3.4	61.84±8.95	EA	12/4	SN	4	NA
Zhang 2013[16	China	33(13/20)	34(14/20)	57±8	58±9	FN	12/4	WN	4	NA
Scharf 2006[10	Germany	326(106/220)	365(110/255)	62.8±9.9	63.0±10.1	MA	10/6	SN	13/26	20ws
Takeda 1994[11	Canada	20(10/10)	20(10/10)	63.0±8.78	60.2±9.75	MA	9/3	SN	3/7	4ws
Vas 2004[12	Spain	48(11/37)	49(5/44)	65.7±11.0	68.4±9.1	EA	12/12	SN	13	7ds
Fan 2016[30	China	54(21/33)	54(24/30)	58 ± 6.2	56 ± 8.4	FN	8/4	WN	1/4	-
Wang 2017[13	China	25(8/17)	21(2/19)	61±6	58±7	WN	12/3	WL	3	NA
Chen 2013[14	USA	104(51/53)	109(52/57)	60.5±11.1	60.4±11.7	MA	12/⩽12	SN	12/26	14ws
Jubb 2008[31	UK	34(29/5)	34(26/8)	64.1±1.6	66.1±1.9	EA	10/5	SN	5/9	4ws
Gao 2012[15	China	34(13/21)	35(15/20)	57.7±8.7	58.6±8.9	EA	24/8	WN	4/8	NA

M: male; F: female; T: treatment group; C: control group; NA: not available; EA: electroacupuncture; SN: sham needle; MA: manual acupuncture; WN: warm needle; FN: fire needle; WL: waiting list; EDU: education; n: number; ws: weeks; ms: months; ds: days.