Table 4. Subgroup analysis of the effect of humectants level on quality characteristics of jerky
| Subgroup | No. of studies | SMD | SE | 95% CI | p-value |
| Lower | Upper |
| Moisture | | | | | | |
| <5% | 18 | 3.13 | 0.79 | 1.579 | 4.674 | <0.001 |
| ≥5% | 11 | –0.26 | 0.92 | –2.070 | 1.540 | 0.774 |
SMD, standardized mean difference; CI, confidence interval of SMD.