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Table 2 Systematic review by Eltonsy et al. [15]: summary of selected outcome variables by included study

From: On the use of the outcome variable “small for gestational age” when gestational age is a potential mediator: a maternal asthma perspective

Study Publication dateª (L)BW SGA PTB∕GA
Schatz et al. [48] 1988 X X X
Lao et al. [15]b 1990 X X
Schatz et al. [49] 1997 X X
Alexander et al. [50] 1998 X X
Olesen et al. [51] 2001 X X
Braken et al. [23]b 2003 X X
Schatz et al. [52] 2004 X X X
Bakhireva et al. [26]b 2005 X X X
Clifton et al. [53] 2006 X X X
Clark et al. [28]b 2007 X X
  1. Abbreviations: GA gestational age, (L)BW (low) birth weight, PTB preterm birth, SGA small for gestational age
  2. ª Presented by increasing order of publication date
  3. b Study listed in Table 1