Table 2.

Study Characteristics of CRs of RCTs in Nursing Interventions.

	Conclusiveness outcomes		p
	Yes (n = 94)	No (n = 88)
Studies enrolled	7.56 ± 6.10 (2-27)	1.74 ± 2.10 (0-9)	<0.001
Patients enrolled	721.7 ± 647.7 (106-3,321)	318.6 ± 567.6 (0-3,107)	<0.001

Data are expressed as mean ± standard deviation (range).

CRs, Cochrane reviews; RCTs, randomized controlled trials