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Table 2 Risk of bias in the included trials

From: Clindamycin plus quinine for treating uncomplicated falciparum malaria: a systematic review and meta-analysis

Study

Allocation sequence

Allocation concealment

Blinding

Number randomized

Loss to follow up N (%)

Kremsner 1988

Unclear

Unclear

Unclear

115

20 (17.4)

Kremsner 1994

Unclear

Unclear

Unclear

144

14 (9.7)

Metzger 1995

Unclear

Unclear

Open

120

12 (10)

Pukrittayakamee 2000

Unclear

Unclear

Unclear

204

43 (21)

Parola 2001

Unclear

Adequate

Double

115

7 (6.1)

McGready 2001

Unclear

Adequate

Unclear

131

2 (1.5)

Ramharter 2005

Adequate

Adequate

Open

100

5 (5)