Table 4.
GMT level of SARS-Cov-2 specific IgM and IgG in 3-year age groups at different time
| Time (W) | IgG (S/CO) | IgM (S/CO) | ||||||
|---|---|---|---|---|---|---|---|---|
| 18–45 | 46–60 | >60 | P | 18–45 | 46–60 | >60 | P | |
| 1 | 2.631 (+2.048, −2.048) | 1.704 (+3.920, −3.920) | 1.825 (+2.538, −2.538) | >0.05 | 0.718 (+3.421, −3.421) | 1.238 (+3.587, −3.587) | 1.778 (+4.791, −4.791) | >0.05 |
| 2 | 4.968 (+1.609, −1.609) | 3.746 (+2.103, −2.103) | 3.675 (+2.423, −2.423) | 0.023 | 1.271 (+3.612, −3.612) | 1.442 (+4.182, −4.182) | 2.013 (+3.197, −3.197) | >0.05 |
| 3 | 4.091 (+1.841, −1.841) | 3.627 (+1.923, −1.923) | 2.833 (+1.796, −1.796) | 0.002 | 0.862 (+4.421, −4.421) | 0.960 (+4.605, −4.605) | 0.871 (+4.542, −4.542) | >0.05 |
| 4 | 3.329 (+1.790, −1.790) | 3.334 (+1.963, −1.963) | 2.593 (+1.857, −1.857) | >0.05 | 0.496 (+4.819, −4.819) | 0.650 (+4.047, −4.047) | 0.439 (+4.447, −4.447) | >0.05 |
| 5–6 | 2.961 (+2.004, −2.004) | 2.985 (+1.907, −1.907) | 2.510 (+1.993, −1.993) | >0.05 | 0.334 (+3.559, −3.559) | 0.484 (+3.690, −3.690) | 0.440 (+3.791, −3.791) | >0.05 |
| 7–8 | 2.853 (+1.643, −1.643) | 2.521 (+1.864, −1.864) | 1.916 (+1.802, −1.802) | >0.05 | 0.421 (+3.915, −3.915) | 0.490 (+4.065, −4.065) | 0.505 (+3.457, −3.457) | >0.05 |
| 9–10 | 2.558 (+1.568, −1.568) | 2.086 (+1.824, −1.824) | 3.334 (+1.102, −1.102) | >0.05 | 0.103 (+4.081, −4.081) | 0.359 (+3.591, −3.591) | 0.218 (+2.626, −2.626) | >0.05 |
| 11–25 | 1.859 (+1.421, −1.421) | 1.935 (+1.679, −1.679) | – | >0.05 | 0.101 (+2.582, −2.582) | 0.144 (+2.946, −2.946) | – | >0.05 |