The baseline characteristics of the enrolled participants are shown in Table 1, with 200 cases and 128 controls enrolled in the study. Overall, the sample included slightly more females (52%) than males (48%) (P = 0.083). The study sample had a mean age of 45.8 and an age range of 20 to 60 years, with 74% of the study sample over 40 years of age. The mean ages for cases (46.7 years of age) and controls (45.2 years of age) did not differ significantly (P = 0.115). As part of the inclusion criteria of the study, both cases and controls were positive for O. viverrini as determined by a single ovum in feces. No statistically significant difference (P > 0.811) was observed in the intensity of O. viverrini infection between cases (median = 36 epg) and controls (median = 38 epg). As shown in Table 1, in both case and control groups there was a similar distribution of the proportion of individuals when intensity of O. viverrini infection was stratified by tertiles of epg, with the majority of cases (77%) and controls (77%) having less than 499 epg.
The baseline characteristics of the enrolled participants are shown in Table 1, with 200 cases and 128 controls enrolled in the study. Overall, the sample included slightly more females (52%) than males (48%) (P = 0.083). The study sample had a mean age of 45.8 and an age range of 20 to 60 years, with 74% of the study sample over 40 years of age. The mean ages for cases (46.7 years of age) and controls (45.2 years of age) did not differ significantly (P = 0.115). As part of the inclusion criteria of the study, both cases and controls were positive for O. viverrini as determined by a single ovum in feces. No statistically significant difference (P > 0.811) was observed in the intensity of O. viverrini infection between cases (median = 36 epg) and controls (median = 38 epg). As shown in Table 1, in both case and control groups there was a similar distribution of the proportion of individuals when intensity of O. viverrini infection was stratified by tertiles of epg, with the majority of cases (77%) and controls (77%) having less than 499 epg.
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The baseline characteristics of the enrolled participants are shown in Table 1, with 200 cases and 128 controls enrolled in the study. Overall, the sample included slightly more females (52%) than males (48%) (P = 0.083). The study sample had a mean age of 45.8 and an age range of 20 to 60 years, with 74% of the study sample over 40 years of age. The mean ages for cases (46.7 years of age) and controls (45.2 years of age) did not differ significantly (P = 0.115). As part of the inclusion criteria of the study, both cases and controls were positive for O. viverrini as determined by a single ovum in feces. No statistically significant difference (P > 0.811) was observed in the intensity of O. viverrini infection between cases (median = 36 epg) and controls (median = 38 epg). As shown in Table 1, in both case and control groups there was a similar distribution of the proportion of individuals when intensity of O. viverrini infection was stratified by tertiles of epg, with the majority of cases (77%) and controls (77%) having less than 499 epg.
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