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Table 1 Proportion of RCTs, LTE, and categories of LTE themes by journal*

From: What do letters to the editor publish about randomized controlled trials? A cross-sectional study

Journal

Number of RCTs (%)

Number of LTEs (%)

Number of topics (%)

Categories of LTE topics (N = 623) (%)

Methodological

Clinical

Other

NEJM

94 (54)

233 (61)

359 (58)

325 (58)

26 (62)

8 (47)

JAMA

35 (20)

56 (15)

108 (17)

107 (19)

0 (0)

1 (6)

Lancet

27 (15)

60 (16)

110 (18)

95 (17)

7 (17)

8 (47)

BMJ

11 (6)

19 (5)

26 (4)

18 (3)

8 (19)

0 (0)

AnnIntMed

8 (5)

13 (3)

20 (3)

19 (3)

1 (2)

0 (0)

TOTAL

175

381

623

564 (91)

42 (7)

17 (3)

  1. *RCT = randomized controlled trial; LTE = letter to the editor.