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Table 1 Differences in preoperative volumetry

From: COX2 expression is associated with preoperative tumor volume but not with volumetric tumor growth in vestibular schwannoma

  N (%) Mean tumor volume in cm3 p-value (ANOVA)
Gender
 Female 380 (50.9) 4.49 0.2475
 Male 367 (49.1) 5.02  
Age
  < 30.4 years 57 (7.6) 6.50 0.0288*
  > =30.4 years 690 (92.4) 4.60  
MIB1
  < 1.4% 459 (62.6) 5.16 0.0149*
  > =1.4% 274 (37.4) 3.99  
COX2 expression
 negative 6 (0.8) 7.80 < 0.0001*
 1 282 (38.3) 3.22  
 2 334 (45.3) 5.16  
 3 98 (13.3) 6.65  
 4 17 (2.3) 8.22  
  < 2 288 (39.1) 3.31  
  > =2 449 (60.9) 5.60 < 0.0001*
  1. Asterisk (*) represents statistically significant results