Procedure

N

Mean

Std. Deviation

Std. Error

95% Confidence Interval for Mean

Lower Bound

Upper Bound

 Hemiarthroplasty

119

2.0688

1.20920

0.12539

1.8198

2.3178

DHS

52

1.6512

1.12586

0.17583

1.2959

2.0066

IM nail

41

1.9472

1.39417

0.23236

1.4755

2.4189

THR

19

2.9444

1.17984

0.27809

2.3577

3.5312

Total

231

2.0383

1.26285

0.09210

1.8566

2.2200