组别 | 例数 | 比例 |
A组(n = 16) | 11 | 68.75% |
B组(n = 40) | 38 | 95.00% |
C组(n = 63) | 58 | 92.06% |
χ2 | - | 7.200 (B、A组) |
0.333 (B、C组) | ||
P | - | 0.025 (B、A组) |
0.086 (B、C组) |