Table 4:

Chi-square analysis for total HR-HPV prevalence in sample by age (≤50, >50 years)

Type of Infection	Age in Years
	≤50	>50	Total
Total HR-HPV detected	21 (25.24) [0.71]	11 (6.76) [2.66]	32
Total HR-HPV not detected	494 (489.76) [0.04]	127 (131.24) [0.14]	621
Total	515	138	653

χ² (1, n=653)=3.54, P=0.059905. The table above reports observed values, expected values in (), and the Chi-square statistics in []