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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