| Independent variables | Dependent variables | Absence/presence | Unadjusted odds ratio (95% CI) | | Adjusted odds ratio (95% CI) | | No | Yes |
| Age | <5 years | Sore throat | 59 | 7 | 3.37 (1.35, 8.42) | 0.009 | 3.13 (1.23, 8.01) | 0.017 | >5 years | 60 | 24 | <5 years | Nausea | 60 | 6 | 2.92 (1.09, 7.81) | 0.032 | 3.28 (1.16, 9.29) | 0.026 | >5 years | 65 | 19 |
| Gender | Male | Dental pain | 20 | 56 | 0.34 (0.14, 0.83) | 0.015 | 3.05 (1.23, 7.54) | 0.016 | Female | 8 | 66 | Male | Fever | 70 | 6 | 2.97 (1.08, 8.13) | 0.035 | 2.97 (1.08, 8.13) | 0.035 | Female | 59 | 15 |
| Pulpotomy | No | Poor appetite | 26 | 35 | 0.48 (0.25, 0.93) | 0.030 | 0.37 (0.18, 0.75) | 0.006 | Yes | 54 | 35 | No | Sore throat | 43 | 18 | 0.41 (0.18, 0.91) | 0.029 | 0.60 (0.25, 1.44) | 0.250 | Yes | 76 | 13 |
| Extraction | No | Nausea | 25 | 10 | 0.38 (0.15, 0.93) | 0.035 | 0.86 (0.17, 4.31) | 0.849 | Yes | 100 | 15 | No | Vomiting | 35 | 0 | 1.51 (1.14, 2.02) | 0.005 | 1.51 (1.14, 2.02) | 0.005 | Yes | 107 | 8 |
| LA use | No | Nausea | 10 | 8 | 5.41 (1.88, 15.62) | 0.002 | 5.23 (0.88, 31.32) | 0.070 | Yes | 115 | 17 |
| Duration | <72 min | Dental pain | 20 | 61 | 2.50 (1.02, 6.11) | 0.040 | 2.60 (1.04, 6.47) | 0.040 | >72 min | 8 | 61 | <72 min | Poor appetite | 49 | 32 | 1.88 (0.98, 3.60) | 0.058 | 2.51 (1.23, 5.10) | 0.011 | >72 min | 31 | 38 |
|
|