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Table 1 Characteristics of included RCTs (n = 8)

From: Long-term effects of cemented and cementless fixations of total knee arthroplasty: a meta-analysis and systematic review of randomized controlled trials

Study

Year

Country

Time period of patient inclusion

No. of participants (C/U)

No. of kneesa (C/U)

Mean age (range, years)

Mean follow-up time (years)

Main outcomesb

Parker

2001

Canada

1987.1–1988.12

48/52

31/36

66.7 (50.6–76)

12.8

1

Baker

2007

UK

1987.6–1997.2

219/177

151/118

70.5 (41–88)

8.8

1

Park

2011

Korea

1997.1–1998.2

53/53

50/50

58.4 (51–67)

13.6

1, 2, 3, 4, 5, 7, 8

Pijls

2012

Netherlands

1993–1998

48 (total)

24/24 + 20c

65.71 (NR)

11–16 (range)

2, 3, 6, 7, 8, 9

Choy

2014

Korea

2002.1–2004.10

67/65

86/82

67.8 (49–80)

9.5

1, 2, 3, 5, 6, 7, 8

Kim

2014

Korea

1995.1–1996.3

85/85

80/80

54.3 (49–55)

16.6

1, 2, 5, 7, 8

Henricson

2018

Sweden

2003–2004

22/19

18/16

55 (33–59)

10

2, 3, 4, 7, 9

Batailler

2020

France

2004–2005

65/65

59/59

72 (50–90)

13

1, 2, 3, 7, 8

  1. 1, Survivorship; 2, Knee Society knee score; 3, Knee Society function score; 4, Knee Society pain score; 5, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score; 6, HSS score; 7, Range of motion (in degree); 8, Incidence of radiolucent line; 9, maximum total point motion (MTPM)
  2. C, cemented group; U, uncemented group; NR, not reported
  3. aAt the last follow-up
  4. bIncluded in the meta-analysis
  5. cCemented/HA-coated/uncoated tibial components (24/24/20)