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Table 4 Function

From: Results of a randomized controlled trial of level IIb preserving neck dissection in clinically node-negative squamous carcinoma of the oral cavity

  IIb sparing Full dissection Mann–Whitney U test p value
n Mean ± SD n Mean ± SD
Shoulder abduction
 Preop 12 160.54 ± 5.14 20 162.10 ± 5.17 86.500 0.330
 1 month 12 146.36 ± 14.05 20 132.90 ± 12.08 54.000 0.020
 3 months 2 151.54 ± 10.51 19 139.57 ± 10.68 32.500 0.009
 6 months 9 155.86 ± 3.84 16 146.62 ± 9.08 20.000 0.016
 12 months 7 156.66 ± 4.16 8 152.37 ± 6.75 7.000 0.304
 18 months 3 157 ± 0.00 1 160 ± 0.00   
Shoulder flexion
 Preop 12 139.18 ± 4.46 20 140.30 ± 3.59 94.000 0.504
 1 month 12 133.45 ± 6.45 20 130.85 ± 6.06 76.500 0.162
 3 months 2 133.33 ± 5.56 19 132.94 ± 4.39 75.500 0.621
 6 months 9 136.71 ± 4.49 16 134.87 ± 3.63 41.500 0.328
 12 months 7 135.66 ± 3.21 8 134.87 ± 4.54 10.500 0.756
 18 months 3 140 ± 0.00 1 132 ± 0.00   
  1. Data in bold are significant P values