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Table 1 Characteristics of included trials with IPD

From: Many continuous variables should be analyzed using the relative scale: a case study of β2-agonists for preventing exercise-induced bronchoconstriction

Trial (year)[ref.]

N

β2-Agonist

Anderson (2001) [17]

27

Salbutamol

Boner (1994) [18]

15

Salbutamol

de Benedictis (1998) [19]

12

Salbutamol

Henriksen (1992) [20]

12

Salbutamol

Pearlman (2007) [21]

15

Salbutamol

Robertson (1994) [22]

8

Salbutamol

de Benedictis (1996) [23]

12

Salmeterol

Green (1992) [24]

13

Salmeterol

Simons (1997) [25]

11

Salmeterol

Dinh Xuan (1989) [26]

10

Terbutaline

Henriksen (1983) [27]

14

Terbutaline

Debelic (1988) [28]

16

Reproterol

Walker (1986) [29]

12

Bitolterol

Schoeffel (1981) [30]

10

Metaproterenol

All IPD trials

187