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Table 1 Basic characteristics of the included literature

From: Use of problem-based learning in orthopaedics education: a systematic review and meta-analysis of randomized controlled trials

Name

Year

Study type

People

Age(I/C)

Number of persons (I/C)

Intervention group

Controlled group

Teaching subjects

Study duration

Zeng, JZ

2015

RCT

Five-year undergraduates

NA

30/29

PBL

LBL

Lumbocrural pain

2 months/2 months

Chen, HW

2017

RCT

Trainee

NA

15/15

PBL

LBL

Basic theory

NA

Chen, HF

2018

RCT

Trainee

23.4/23.4

104/92

PBL

LBL

Basic theory

NA

Chen, W

2019

RCT

Five-year undergraduates

21/21

53/53

PBL

LBL

Orthopaedic imageology

3 months/3 months

Ding, XY

2021

RCT

Trainee

19.25/19.21

40/40

PBL

LBL

Arthroscopy training

NA

Du, R

2021

RCT

Five-year undergraduates

19.7/21

20/20

PBL

LBL

Bone tumor

NA

Duan, G

2015

RCT

Trainee

NA

20/21

PBL

LBL

Basic theory

12 months/12 months

Duan, XL

2014

RCT

Trainee

NA

40/40

PBL

LBL

Basic theory

NA

Duan, XY

2014

RCT

Five-year undergraduates

NA

32/32

PBL

LBL

Basic theory

NA

Feng, ML

2019

RCT

Undergraduates

NA

20/19

PBL

LBL

Arthropathy

3 months/3 months

Gan, M

2020

RCT

Trainee

20.57/20.43

74/74

PBL

LBL

Basic theory

NA

Gao, ZR

2017

RCT

Postgraduate

NA

33/32

PBL

LBL

Basic theory

NA

Guo, WJ

2015

RCT

Five-year undergraduates

NA

30/30

PBL

LBL

Basic theory

4 months/4 months

He, CN

2021

RCT

Trainee

22.69/22.72

43/43

PBL

LBL

Orthopaedic imageology

12 months/12 months

Hu, Y

2018

RCT

Five-year undergraduates

NA

33/33

PBL

LBL

Lumbocrural pain

2 months/2 months

Li, JL

2018

RCT

Trainee

22-24/22-24

52/50

PBL

LBL

Orthopaedic failure cases

1 months/1 months

Li, LM

2006

RCT

Seven-year students

NA

30/30

PBL

LBL

Basic theory

5 months/5 months

Liu, PD

2019

RCT

Trainee

24.1/23.3

44/44

PBL

LBL

Basic theory

NA

Liu, W

2018

RCT

Trainee

22.98/23.06

40/40

PBL

LBL

Orthopaedic flap theory

NA

Liu, Y

2020

RCT

Five-year undergraduates

22.7/22.7

35/35

PBL

LBL

Basic theory

NA

Liu, YJ

2013

RCT

Five-year undergraduates

NA

10/10

PBL

LBL

Basic theory

NA

Liu, CL

2012

RCT

Trainee

NA

19/19

PBL

LBL

Basic theory

NA

Nie, H

2016

RCT

Trainee

NA

29/26

PBL

LBL

Basic theory

1 month/1 month

Wang, JY

2013

RCT

Trainee

NA

18/18

PBL

LBL

Basic theory

NA

Wang, KP

2019

RCT

Trainee

22.5/23.0

19/19

PBL

LBL

Basic theory

NA

Wang, MB

2018

RCT

Trainee

21.4/21.1

40/40

PBL

LBL

Trauma orthopaedics

NA

Wang, Q

2012

RCT

Five-year undergraduates

24/24

42/42

PBL

LBL

Basic theory

NA

Wang, XS

2015

RCT

Five-year undergraduates

24.5/24.5

30/30

PBL

LBL

Basic theory

NA

Wang, YF

2009

RCT

Undergraduates

NA

155/154

PBL

LBL

Basic theory

NA

Wei, M

2019

RCT

Undergraduates

NA

86/82

PBL

LBL

Traditional Chinese bone teaching

NA

Wu, K

2019

RCT

Trainee

22.34/22.57

32/32

PBL

LBL

Basic theory

NA

Wu, M

2013

RCT

Five-year undergraduates

22.2/22.2

36/36

PBL

LBL

Basic theory

12 months/12 months

Xi, YH

2014

RCT

Undergraduates

NA

73/73

PBL

LBL

Basic theory

NA

Xiao, WA

2017

RCT

Resident doctors

24.3/24.0

50/50

PBL

LBL

Basic theory

3 months/3 months

Yan, DL

2018

RCT

Undergraduates

NA

42/42

PBL

LBL

Basic theory

5 months/5 months

Yu, Y

2015

RCT

Undergraduates

NA

40/40

PBL

LBL

Basic theory

1 month/1 month

Yu, YF

2013

RCT

Five-year undergraduates

NA

35/35

PBL

LBL

Basic theory

NA

Yu, XH

2022

RCT

Undergraduates

22.04/21.92

25/25

PBL

LBL

Basic theory

2 months/2 months

Yu, C

2020

RCT

Trainee

22.50/21.89

30/30

PBL

LBL

Orthopaedic failure cases

2 weeks/2 weeks

Zhang, BX

2018

RCT

Trainee

21.5/21.6

40/40

PBL

LBL

Basic theory

NA

Zhang, H

2019

RCT

Five-year undergraduates

23.10/23.21

20/20

PBL

LBL

Arthroscopy training

NA

Zhang, LF

2020

RCT

Trainee

22.44/22.32

44/44

PBL

LBL

Arthropathy

NA

Zhang, L

2016

RCT

Trainee

22.1/22.1

56/56

PBL

LBL

Basic theory

NA

Zhang, W

2018

RCT

Undergraduates

24.1/23.5

40/40

PBL

LBL

Basic theory

NA

Zhang, YD

2017

RCT

Refresher doctors

27.2/26.8

45/45

PBL

LBL

Orthopaedic failure cases

2 months/2 months

Zhao, Z

2016

RCT

Five-year undergraduates

20-24/20-24

42/42

PBL

LBL

Orthopaedic failure cases

2 weeks/2 weeks

Zhou, LH

2020

RCT

Trainee

NA

21/21

PBL

LBL

Basic theory

1 month/1 month

Zhong, JW

2017

RCT

Seven-year students

NA

132/130

PBL

LBL

Basic theory

NA

Cong, L

2017

RCT

Resident doctors

NA

45/45

PBL

LBL

Basic theory

NA

Sun, MJ

2022

RCT

Five-year undergraduates

22.6/22.6

53/53

PBL

LBL

3D basic theory

NA

Zhao, X

2019

RCT

One-year post-graduate

NA

10/10

PBL

LBL

Orthopedic nurse

12 months/12 months

  1. RCT Randomized controlled trial, PBL Problem-based learning, LBL Lecture⁃based learning, NA Not available