Age (months) | Grade 0 | Grade 1 | Grade 2 | Grade 3 | Total |
---|---|---|---|---|---|
(0 calc) | (1–2 calc) | (3–4 calc) | (≥5 calc) | ||
n (%) | n (%) | n (%) | n (%) | ||
12 – 24 | 14 (47) | 10 (33) | 3 (10) | 3 (10) | 30 (15.5) |
24 – 48 | 16 (14) | 49 (43) | 22 (19) | 27 (24) | 114 (59.1) |
>48 | 14 (29) | 22 (45) | 4 (8) | 9 (18) | 49 (25.4) |
Total | 44 (22.7) | 81 (42.0) | 29 (15.0) | 39 (20.2) | 193 (100) |