Skip to main content

Table 4 Results of quality assessment of accepted trials

From: Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: An update of systematic review evidence

Article DS Selection bias Detection/Performance bias Attrition bias Trial outcome
   Randomization Baseline data Blinding/Masking Loss-to-follow up Run-in phase  
Oba et al., 2009 [32] 01 0 0 0 A A A
Barja-Fidalgo et al., 2009 [33] 02 0 A 0 A A A
  03 0 A 0 A A A
Karlzén-Reuterving and van Dijken, 1995 [20] 04 0 0 0 A A A
Arrow and Riordan, 1995 [21] 05 0 0 0 A A A
Williams et al., 1996 [22] 06 0 0 0 B A A
  07 0 0 0 A A A
Rock et al., 1996 [23] 08 0 0 0 A A A
  09 0 0 0 A A A
  10 0 0 0 B A A
  11 0 0 0 A A A
Kerrvanto-Seppälä et al., 2008 [24] 12 0 0 0 B A A
Beiruti et al., 2006 [26] 15 0 A 0 A A A
  16 0 A 0 A A A
  17 0 A 0 B A A
  18 0 A 0 B A A
  19 0 A 0 A A A
Poulsen et al., 2006 [27] 20 0 0 0 A A A
  21 0 0 0 A A A
Forss and Halme, 19981 [28] 22 0 0 0 A A A
Mejàre and Mjör, 1990 [29] 24 0 0 0 B A A
  25 0 0 0 B A A
Boksmann et al., 1987 [30] 26 0 0 0 A A A
Poulsen et al., 2001 [31] 27 0 0 0 A A A
Forss et al., 19941 [37] 28 0 0 0 A A A
Williams and Winter, 1981 [38] 30 0 0 0 0 A A
Songpaisan et al., 1995 [25] 13 0 A 0 n.e. A 0
  14 0 A 0 n.e. A 0
Forss and Halme, 19981 [28] 23 0 0 0 n.e. A 0
Forss et al., 19941 [37] 29 0 0 0 n.e. A 0
  1. DS = Dataset number, n.e. = Not evaluated.
  2. 1 Different datasets reported from same trial