Table 2.
Adverse events | Grade | No. of studies | No. of patients | Pooled OR and its 95% CI | Meta-regression(P value) | Heterogeneity | |
---|---|---|---|---|---|---|---|
I2(%) | P value | ||||||
Leukopenia | 0-2 | 2 | 178 | 0.62 (0.26-1.47) | 0.28 | 0 | 0.80 |
3-4 | 2 | 178 | 1.62 (0.68-3.89) | 0.28 | 0 | 0.80 | |
Thrombocytopenia | 0-2 | 2 | 178 | 0.93 (0.18-4.76) | 0.93 | 0 | 0.42 |
3-4 | 2 | 178 | 1.07 (0.21-5.45) | 0.93 | 0 | 0.42 | |
Neutropenia | 0-2 | 3 | 702 | 0.86 (0.59-1.25) | 0.42 | 0 | 0.89 |
3-4 | 3 | 702 | 1.16 (0.80-1.68) | 0.42 | 0 | 0.89 | |
Anemia | 0-2 | 2 | 178 | 0.93 (0.26-3.33) | 0.91 | 0 | 0.50 |
3-4 | 2 | 178 | 1.08 (0.30-3.87) | 0.91 | 0 | 0.50 | |
Gastrointestinal tract | 0-2 | 3 | 702 | 1.35 (0.61-2.98) | 0.46 | 0 | 0.95 |
3-4 | 3 | 702 | 0.74 (0.34-1.64) | 0.46 | 0 | 0.95 | |
Radiation esophagitis | 0-2 | 3 | 702 | 0.94 (0.67-1.31) | 0.72 | 0 | 0.70 |
3-4 | 2 | 178 | 1.84 (0.42-8.01) | 0.42 | 0 | 0.67 | |
Radiation pneumonia | 0-2 | 3 | 702 | 1.05 (0.73-1.50) | 0.81 | 17 | 0.30 |
3-4 | 3 | 178 | 0.71 (0.12-4.31) | 0.71 | 32 | 0.23 |
CCRT-CCT, consolidation chemotherapy following concurrent chemoradiotherapy; CCRT-alone, only concurrent chemoradiotherapy. OR, odds ratio; 95% CI, 95% confidence interval.