Table 1 Clinical characteristics of the studies included in the analysis
| Â | Patients (n.) | Age (years) | Sex (male, %) | Ischemic etiology (%) | QRS duration (ms) | Follow-Up (months) | Responders CRT Criteria |
|---|---|---|---|---|---|---|---|
Da Costa A [8] | 67 | 70 ± 10 | 84% | 34% | 190 ± 28 | 12 | clinical |
Rocchi G [9] | 64 | 64 ± 11 | 75% | 31% | 154 ± 25 | 6 | echo/clinical |
Ciampi Q [10] | 59 | 70 ± 8 | 71% | 55% | 150 ± 27 | 11 | echo/clinical |
Lancellotti P [11] | 51 | 70 ± 9 | 63% | 67% | 161 ± 25 | 6 | echo/clinical |
Senechal M [12] | 49 | 66 ± 12 | 69% | 69% | 164 ± 30 | 6 | echo/clinical |
Chaundry FA [13] | 54 | 69 ± 11 | 63% | 54% | 147 ± 20 | 7 | echo/clinical |
Altman RK [14] | 31 | 68 ± 12 | 74% | 65% | 158 ± 22 | 24 | echo/clinical |
Gasparini M [15] | 204 | 67 ± 10 | 70% | 43% | 150 ± 25 | 15 | echo/clinical |
Pugliese M [16] | 102 | 71 ± 5 | 64% | 87% | 143 ± 11 | 6 | echo/clinical |
Mizia-Stec K [17] | 129 | 62 ± 9 | 76% | 48% | 164 ± 24 | 12 | echo/clinical |
Murin P [18] | 51 | 62 ± 8 | 75% | 48% | 150 ± 24 | 6 | echo/clinical |
Mean Value | 78 | 67 ± 9 | 71% | 55% | 157 ± 24 | 10 |  |