Table I.
Grade | Immunonegative cases, n (%) | Immunopositive cases, n (%)
|
|||
---|---|---|---|---|---|
+ | ++ | +++ | Total | ||
I | 7 (77.8) | 1 (11.1) | 1 (11.1) | 0 (0.00) | 2 (22.2) |
II | 16 (28.6) | 11 (19.6) | 12 (21.4) | 17 (30.4) | 40 (71.4) |
III | 14 (26.9) | 11 (21.2) | 11 (21.2) | 16 (30.8) | 38 (73.1) |
IV | 14 (40.0) | 3 (8.6) | 6 (17.1) | 12 (34.3) | 21 (60.0) |
P<0.05, grade I vs. II, III, and IV (χ2 test).