CLL clustering among recipients of blood from individual donors
| Cases of CLL . | Observed . | Expected . | Observed/expected* . |
|---|---|---|---|
| 0 | 1416610 | 1416593.42 | 1.00 (1.00-1.00) |
| 1 | 8535 | 8567.82 | 1.00 (0.98-1.02) |
| 2 | 87 | 71.09 | 1.22 (0.98-1.50) |
| 3+ | 1 | 0.66 | 1.51 (0.09-6.66) |
| Cases of CLL . | Observed . | Expected . | Observed/expected* . |
|---|---|---|---|
| 0 | 1416610 | 1416593.42 | 1.00 (1.00-1.00) |
| 1 | 8535 | 8567.82 | 1.00 (0.98-1.02) |
| 2 | 87 | 71.09 | 1.22 (0.98-1.50) |
| 3+ | 1 | 0.66 | 1.51 (0.09-6.66) |
Observed and expected frequency mutual ratios, with 95% likelihood ratio–based CIs shown in parentheses. Phomogeneity for observed/expected ratios = .31.