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Table 4 Differences between hospitals with low and high procedure volumes (threshold = 100 operations annually)

From: Replacement of endoprosthetic implants within a two years follow-up period: a statutory health insurance routine data analysis

Number of hip joint endoprostheses implantations of the persons insured at TK

Rate of short-term reoperations in hospitals with < 100 operations p.a. (%, median)

Rate of short-term reoperations in hospitals with > = 100 operations p.a. (%, median)

p value

< 10

20.0 (44 hospitals)

14.3 (32 hospitals)

0.070

10 - 19

10.0 (19 hospitals)

7.7 (72 hospitals)

0.111

> = 20

4.76 (5 hospitals)

4.2 (211 hospitals)

0.304

Total

14.3 (68 hospitals)

5.7 (315 hospitals)

< 0.001

  1. Number of hip joint endoprostheses of the persons insured at TK serves as an indicator for confidence.