Table 5: The mean and statistical analysis of the number PAP smear tests for female recipients between 2004 and 2009 based on age and history of cervical dysplasia. Those who received only one PAP smear tests in this time period were not included in the interval calculation.
Mean ± SEM  Unpaired twotailed ttest with Welch's correction  
Age  
< 21 (n = 18)  2.22 ± 0.129  t = 4.874  P < 0.0001 
All ages (n = 357)  2.92 ± 0.062  df = 25.75 R^{2} = 0.4797 

Past PAP Smear testing  
No history of Abnormal PAP (n = 264)  2.67 ± 0.056  t = 3.106 df = 74.58 
P = 0.0027 
History of Abnormal PAP (n = 63)  3.25 ± 0.178  R^{2} = 0.1145 