Table III.

KAPLAN MEIER ESTIMATES OF SURVIVAL OF IMPLANT AT 1 AND 5 YEARS FOLLOW-UP

		No of		Survival (%) KM	Survival (%) KM
	Country	HAs	Reop	At 1 years (95% CI)	At 5 years (95% CI)
All HAs	Norway	12,761	445	96.3 (96.0-96.7)	95.5 (94.8-96.2)
	Sweden	24,228	869	96.5 (96.2-96.7)	94.8 (94.4-95.3)
Cemented HAs	Norway	9,688	273	97.0 (96.7-97.4)	96.7 (96.3-97.1)
	Sweden	22,896	794	96.6 (96.3-96.8)	94.9 (94.5-95.4)
Uncemented HAs	Norway	2,711	149	94.2 (93.2-95.1)	91.0 (87.7-94.2)
	Sweden	1,330	75	94.7 (93.4-96.0)	92.6 (90.9-94.3)

CI = Confidence Interval, HA = Hemiarthroplasty, KM = Kaplan Meier.