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Table 2 Characteristics of included studies (n = 451)

From: Reporting quality of randomized controlled trials of angina pectoris with integrated traditional Chinese and western medicine interventions: a cross-sectional study

Characteristic

N (%)

Language of publications

 English

9 (2.00)

 Chinesea

442 (98.00)

Diagnostic criteria

 Single western medicine diagnosis

49 (10.86)

 Both TCM and western medicine diagnosis

402 (89.14)

 Including TCM Patternb

390 (97.01)

Types of AP

 Stable

225 (49.89)

 Unstable

115 (25.50)

 Othersc

111 (24.61)

Sample size

  ≤ 50

12 (2.66)

 51–100

350 (77.61)

 101–300

85 (18.85)

  > 300

4 (0.89)

Number of assigned groupsd

 2

438 (97.12)

 3

7 (1.55)

 4

6 (1.33)

Types of TCM interventionse

 Chinese herbal formula

389 (86.25)

 Chinese single herb

10 (2.22)

 Complex intervention

25 (5.54)

 External therapy

27 (5.99)

Type of western medicine interventions

 Pharmacological treatment

439 (97.34)

 Non-pharmacological treatmentf

10 (2.22)

 Not specificg

2 (0.44)

Treatment duration

 Median (IQR) /day

42 (28–56)

Follow-up duration

 Median (IQR) /day

117 (30–180)

Outcomes

 Including TCM-related indicators

390 (86.47)

  1. aIncluding 259 Chinese dissertations
  2. b198 of 390 studies included TCM disease diagnosis
  3. c, d, eSupplementary file 6 for details
  4. fIncluding 8 external counter pulsation, 1 percutaneous coronary intervention and 1 cardiac rehabilitation exercise
  5. gOnly reported the use of WM but without any description