| (I)水蚤 | (J)水蚤 | 两组均数的差 (I-J) | 标准误差 | p值 | 95%置信区间 | |
| 下限 | 上限 | |||||
| A | B | −0.833 | 0.110 | 0.476 | −0.352 | 0.185 |
| C | 0.133 | 0.110 | 0.270 | −0.135 | 0.402 | |
| B | A | 0.833 | 0.110 | 0.476 | −0.185 | 0.352 |
| C | 0.217 | 0.110 | 0.096 | −0.052 | 0.485 | |
| C | A | −0.133 | 0.110 | 0.270 | −0.418 | 0.135 |
| B | −0.217 | 0.110 | 0.096 | −0.485 | 0.052 | |