Table 1 Intra-observer agreements of the conventional and modified Neer classifications

1

0.678 (0.541–0.815)

0.742 (0.620–0.864)

0.848 (0.746–0.950)

0.848 (0.750–0.946)

2

0.597 (0.458–0.736)

0.649 (0.512–0.786)

0.595 (0.444–0.746)

0.662 (0.523–0.801)

3

0.463 (0.304–0.621)

0.599 (0.456–0.742)

0.465 (0.306–0.624)

0.666 (0.529–0.803)

4

0.606 (0.459–0.753)

0.773 (0.642–0.893)

0.635 (0.484–0.786)

0.797 (0.679–0.915)

5

0.351 (0.194–0.508)

0.459 (0.312–0.606)

0.215 (0.076–0.354)

0.374 (0.225–0.523)

6

0.685 (0.548–0.822)

0.804 (0.690–0.918)

0.451 (0.284–0.618)

0.547 (0.386–0.708)

Mean ± SD

0.563 ± 0.131

0.671 ± 0.129

0.535 ± 0.213

0.649 ± 0.172

P value

P = .002

P = .013