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Table 3 The four investigated groups and time intervals, with crude survival percentages and 95% confidence intervals for each group

From: Early postoperative mortality after simultaneous or staged bilateral primary total hip arthroplasty: an observational register study from the swedish Hip arthroplasty register

 

30 days

90 days

10 years

 

Survival

CI (95%)

Survival

CI (95%)

Survival

CI (95%)

Time interval

      

Simultaneous

99.8

99.6-100.0

99.7

99.4-100.0

82.7

80.4-85.1

≤6 months

99.8

99.7-99.9

99.7

99.6-99.9

78.1

76.5-79.|7

7-12 months

99.9

99.8-100.0

99.8

99.7-99.9

76.9

7|5.7-78.2

>12 months

99.8

99.8-99.9

99.7

99.6-99.7

71.5

70.7-72.3