Table 3. Types of counting chambers used for sperm concentration analysis reported by the certified and non-certified respondents.
| CR | NCR | |
|---|---|---|
| N (%) | N (%) | |
| Counting chambers without CASA system | ||
| Improved Neubauer haematocytometer | 8 (42) | 9 (19) |
| Bürker haematocytometer | 4 (21) | 21 (48) |
| Thoma haematocytometer | 3 (16) | 6 (14) |
| Makler | 1 (5) | 0 |
| Counting chambers with CASA system | ||
| Leya | 2 (10) | 3 (7) |
| Makler | 1 (5) | 3 (7) |
| none | 0 | 2 (4) |
| Totala | 19 | 44 |
Abbreviations: CASA, computer-assisted semen analysis; CR, certified respondent;
a
Two types of counting chamber were reported by two CR and six NCR.