Table 1.
Sample characterization.
| Study | Title | Sample | Age | Gender | Study Type |
|---|---|---|---|---|---|
| [7] | Effects of laryngeal manual therapy (LMT) and transcutaneous electrical nerve stimulation (TENS) in vocal folds diadochokinesis of dysphonic women: a randomized clinical trial | Women with bilateral vocal nodules participated | 18–45 | 20 Female | Randomized clinical trial |
| [1] | Effect of Vocal Therapy Associated with TENS in Women with Behavioral Dysphonia | Women with behavioral dysphonia | Average 46.1 (±15.1) years |
17 Female | Clinical trial |
| [17] | Effects of transcutaneous electrical nervous stimulation (TENS) associated with vocal therapy on musculoskeletal pain of women with behavioral dysphonia: A randomized, placebo-controlled double-blind clinical trial | Women with behavioral dysphonia | Average (ΕΚ) 29 and Average (ΚΓ) 31.6 | 27 Female | A randomized, placebo-controlled, double-blind clinical trial |
| [4] | Effect of Application of Transcutaneous Electrical Nerve Stimulation and Laryngeal Manual Therapy in Dysphonic Women: Clinical Trial | Women with bilateral vocal nodules participated | 18–45 | 20 Female | Clinical trial |
| [2] | Evaluation of Electrostimulation Effect in Women with Vocal Nodules | Women with an otolaryngology diagnosis of vocal fold nodules using a videolaryngostroboscopy examination | 18–55 | 60 Female | Randomized, prospective, comparative, intra-subject study |
| [18] | Transcutaneous Electrical Nerve Stimulation (TENS) and Laryngeal Manual Therapy (LMT): Immediate Effects in Women with Dysphonia | Women with behavioral dysphonia | 18–45 | 30 Female | Clinical trial |
| [8] | Application of High-Frequency Transcutaneous Electrical Nerve Stimulation in Muscle Tension Dysphonia Patients with the Pain Complaint: The Immediate Effect | Patients with muscle tension dysphonia (MTD) | Average 36.40 (±5.76 years) |
20 Female 10 male | Clinical trial |