Table 6.
Groups | Beforetreatment | Aftertreatment | HP negative conversion ratio | ||
---|---|---|---|---|---|
|
|
||||
HP positive | HP negative | HP positive | HP negative | ||
Experimental group (n=60) | 38 | 22 | 4 | 56 | 34/38 |
Control group (n=60) | 34 | 26 | 12 | 48 | 22/34 |
χ2 | 0.556 | 4.615 | 6.369 | ||
P | 0.456 | 0.032 | 0.012 |