Table 3.
Distribution of BDs’ pre-disinfection microbial load (median, Q1 and Q3 CFU/Plate) by age group and season.
| Age Groups | Winter | Spring | Summer | Autumn | Total for Age Groups |
|---|---|---|---|---|---|
| CFU Median (Q1–Q3) |
CFU Median (Q1–Q3) |
CFU Median (Q1–Q3) |
CFU Median (Q1–Q3) |
CFU Median (Q1–Q3) |
|
| Male donors | |||||
| 18–25 | 43 (31.25–52.75) |
60 (40.5–108.75) |
47 (38–60) |
21.5 (17.25–25.75) |
42 (34–63.5) |
| 26–35 | 52 (38–88) |
108 (63–>200) |
53.5 (32–79.5) |
41 (28–58) |
59 (38.75–98.5) |
| 36–45 | 48 (35–101.5) |
36.5 (23.5–59) |
57 (24.5–84.5) |
54.5 (29.75–86.75) |
44.5 (27–84) |
| 46–55 | 79.5 (31–100) |
42 (24–67) |
40 (28–62) |
47.5 (26–98.75) |
42 (26–93.5) |
| 56–65 | 47 (39.25–72) |
29.5 (23–42) |
32 (28–56) |
49 (38–116) |
41 (28–64) |
| Total for season | 50 (34.5–95) |
42 (26–81) |
44.5 (28–68) |
45.5 (27.25–91) |
46 (28–88) |
| Female donors | |||||
| 18–25 | - | >200 (ND) |
7 (ND) |
32 (19.75–59) |
32 (15.25–93) |
| 26–35 | 58.5 (28.75–89.75) |
47 (41.5–124) |
52 (48–72) |
57 (42.5–81.25) |
54 (37.5–90.75) |
| 36–45 | 46 (28.75–117) |
39 (27.25–50.25) |
37 (24–41) |
47 (23.5–81) |
41 (28–67) |
| 46–55 | 56.5 (28.5–>200) |
33 (21–65) |
41.5 (14–86.25) |
62 (38–>200) |
47.5 (24–>200) |
| 56–65 | >200 (ND) |
47.5 (35–162.75) |
44 (28.25–56) |
47 (32–100.5) |
47.5 (32–108.25) |
| Total for season | 61 (28.5–192) |
47 (31–68) |
41 (22–59) |
54.5 (28.75–104.75) |
47 (28–96) |
ND = not determined. Single value (single donor) by age group in the season.