Table 2.
Mean weighted effect sizes, sample sizes, and heterogeneity statistics
| Test | No. of studies | No. (with HTN) | No. (without HTN) | Hedges g | 95% CI | I2 (95% CI) |
|---|---|---|---|---|---|---|
| Alexithymia (overall) | 7 | 2477 | 2095 | 1.39 | (-0.39; 3.16) | 99.5 (99.4; 99.6) |
| TAS-20 | 6* | 2225 | 2007 | 1.47 | (-1.16; 4.11) | 99.7 (99.6; 99.7) |
| TAS-26 | 1 | 237 | 68 | 1.28 | (0.99; 1.57) | – |
| TSIA | 1** | 15 | 20 | 1.01 | (0.29; 1.72) | – |
HTN Hypertensive, CI confidence interval, TAS Toronto Alexithymia Scale, TSIA Toronto Structured Interview for Alexithymia
*Niiranen et al. (2006) [35] were excluded from the analysis because of sample overlapping with Hänninen et al. (2011) [33]
**Di Trani et al. (2018) [30] employed both the TAS-20 and TSIA for the assessment of alexithymia