Table 3.

Constituent ratios of the three pathogenic organisms in the different age groups.

species age	<18	18–34	35–54	55–64	≥65	p-value
	n = 49	n = 61	n = 140	n = 110	n = 103
S. constellatus (n = 173)	21 (42.86)	14 (22.95)	58 (41.43)	34 (30.91)	46 (44.66)	0.033
S. anginosus (n = 254)	24 (48.98)	42 (68.85)	73 (52.14)	70 (63.64)	45 (43.69)
S. intermedius (n = 36)	4 (8.16)	5 (8.20)	9 (6.43)	6 (5.45)	12 (11.65)

Comparison between <18 yr and 18–34 yr in the proportion of S. constellatus: P = 0.039, such as 18–34 yr vs 35–54 yr in the proportion of S. constellatus: P = 0.016, 18–34 yr vs ≥65 yr: P = 0.007, 55–64 yr vs ≥65 yr: P = 0 .047, <18 yr vs 18–34 yr in the proportion of S. anginosus: P = 0.05, 18–34 yr vs 35–54 yr: P = 0 .031,18–34 yr vs ≥65 yr: P = 0.002, 55–64 yr vs ≥65 yr: P = 0.004.