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Table 1 Quality Assessment of included studies.

From: A systematic review of the clinical effectiveness of acupuncture for allergic rhinitis

Study Randomisation (appropriate description?) Concealment (appropriate description?) Patient blinding (appropriate description?) Withdrawals and dropouts Comparable baseline groups Total (max 8)
Wolkenstein 1996 [16] & Horak 1993 [18] 1998 [17] 1 0 0 0* 0 2
Langer & Hauswald 1989 [19] 1 0 0 1 0* 2
Ng et al 2004 [21] 1 (1) 1 (0) 1 (1) 1 1 7
Magnusson et al 2004 [15] 1 (1) 0 1 (1) 1 0 5
Williamson et al 1996 [23] 1 (1) 1 (1) 1 (1) 1 0* 7
Petti et al 2002 [20] 1 (0) 0 0 1 1 3
Xue et al 2002 [22] 1 (0) 0 1 (1) 1 0 4
  1. * Information unclear
  2. A score of 1 was given for each parameter fulfilled in the text with an additional point for adequate description of randomisation, allocation concealment and blinding. A 0 was scored where no description or detail was given.