Table 1: Patient demographics.

Parameters	PA (n=22)	PCD (n=20)	P value (NS: Not significant)
1. Age (years)	28–83	35–93	* NS; † NS
Mean +/- SD	66.3 ± 13.3	63.2 ± 17.6
Median	65.5	68.5
2. Sex	15:7	14:6	‡NS
(Male:Female)

* Shapiro-Wilk normality test

† Welch t-test

‡ Fisher’s Exact Test