Characteristic | No. (%) |
---|---|
At 1-week of age | |
Response ratea | 63 (90%) |
Symptomatic | 0 (0%) |
Asymptomatic | 63 (100%) |
At 2-weeks of age | |
Response ratea | 63 (90%) |
Symptomatic | 1 (2%) |
Asymptomatic | 62 (98%) |
At 4-weeks of age | |
Response ratea | 62 (89%) |
Symptomatic | 1 (2%) |
Asymptomatic | 61 (98%) |
At 2-months of age | |
Response ratea | 58 (83%) |
Symptomatic | 1 (2%) |
Asymptomatic | 57 (98%) |