Table 1. Humeral Retroversion Measured Using Standard and Five Methods by Surgeon A and B.

Method (°)	Surgeon A	Surgeon B	Surgeon A and B
Standard	31.63 ± 12.99	31.21 ± 11.79	31.42 ± 12.10
1	31.53 ± 12.48	27.88 ± 11.43	29.70 ± 11.66
2	32.75 ± 11.73	28.51 ± 11.50	30.64 ± 11.24
3	31.66 ± 12.75	29.16 ± 11.04	30.41 ± 11.17
4	32.60 ± 12.54	31.66 ± 11.50	32.14 ± 11.70
5	34.34 ± 12.94	33.98 ± 10.54	34.15 ± 11.47

Values are presented as mean ± standard deviation.