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Table 1 Characteristics of the 13 included studies

From: Patterns of regional lymph node metastasis of nasopharyngeal carcinoma: A meta-analysis of clinical evidence

No First Author n Any LN Cervical LN RLN Level I LN Level Ib LN Level II LN Level III LN Level lV LN Level V LN Level VI LN Parotid L SCF LN
1 Tang 924 786   679   24 590 226 56 87   6 31
2 Wang 618 543 508 392 508 21 506 237 72 200   7  
3 Liu 275 215 175 175 175   174 65 16 18   4 8
4 King 150 115 115 108 115 3     66   2  
5 Ng 202 193   162    190 172 22     31
6 Fuwa 94 82 82   82         
7 Ng 101 89   73   2 85 54 31 24 2 3 20
8 Lu 159 148 139 108 139         
9 Lam 44    39    13       
10 Chong 114 91 58 59 58         
11 Ng 67   42 39 42         
12 Kam 63 44 44   44         
13 Wolden 109 90 90   90         
  1. Abbreviations: LN, lymph nodes; RLN, Retropharyngal LN; SCF, supraclavicular fossa.