Open Access

Table I

Demographics of the hospital patient population studied. Pas = periapical abscesses; HS-1 = Herpes Simplex type 1; HZ = Herpes Zoster.

  Acute Pas (n = 7172) HS-1 (n = 9364) HZ (n = 5281) Acute PAs and HS-1 (n = 228) Acute PAs and HZ (n = 147) Total patients (n = 1,213,693)
Males 3152 (44%) 6721 (71.8%) 1966 (37.2%) * 61 (26.8%) # 60 (40.8%) 560,637 (46.2%)
Females 4020 (56%) 2643 (28.2) 3315 (62.8) 167 (73.2%) 87 (59.2%) 653,056 (53.8%)
Whites 4079 (57%) 6305 (67.3%) 4019 (76%) ** 118 (51.7%) ## 94 (64%) 577,991 (47.6%)
African Americans 2524 (35%) 1819 (19.5%) 736 (14%) 100 (43.9%) 44 (30%) 126,929 (10.5%)
Other Ethnicities 569 (8%) 1240 (13.2%) 526 (10%) 10 (4.4%) 9 (6%) 508,773 (41.9%)
Adults (>18 years) 6244 (87%) 1240 (13.2%) 5281 (100%) *** 10 (4.4%) ### 147 (100%) 1,035,064 (85.3%)
Children (<18 years) 928 (13) 8124 (86.8%) 0 (0%) 218 (95.6%) 0 178,629 (14.7%)

* Comparison between genders in the acute PAs and HS-1 group. Chi-square statistic is 34.6544; p-value = 0.00001. Significant at p < .05.

** Comparison between Whites and African Americans in the acute PAs and HS-1 group. Chi-square statistic is 114.5746; p-value = 0.00001. Significant at p < .05.

*** Comparison between adults and children in the acute PAs and HS-1 group. Chi-square statistic is 1187.5109; p-value = 0.00001. Significant at p < .05.

# Comparison between genders in the acute PAs and HZ group. Chi-square statistic is 1.7093; p- value = 0.19. Not significant at p < .05.

## Comparison between Whites and African Americans in the acute PAs and HZ group. Chi-square statistic is 17.9965; p-value = 0.00002. Significant at p < .05.

### Comparison between adults and children in the acute PAs and HZ group. Chi-square statistic is 6.6318; p-value = 0.01. Significant at p < .05.

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