Research Article
Pain Relief during Oocyte Retrieval by Transcutaneous Electrical Acupoint Stimulation: A Single-Blinded, Randomized, Controlled Multicenter Trial
Table 1
Characteristics of the patients.
| | Characteristics | Mock TEAS (n = 194) | TEAS (n = 196) | |
| | Age (years) | 37.0 ± 5.5 | 36.7 ± 5.6 | 0.594 | | BMI (kg/m2) | 22.9 ± 3.0 | 23.2 ± 3.4 | 0.356 | | Duration of infertility (years) | 5.6 ± 4.5 | 5.1 ± 3.5 | 0.221 | | Reason for infertility, n (%) | — | — | 0.575 | | Male | 23 (11.9) | 19 (9.7) | — | | Female | 141 (72.7) | 140 (71.4) | — | | Both | 30 (15.5) | 37 (18.9) | — | | Body temperature (oC) | 36.4 ± 0.2 | 36.4 ± 0.2 | >0.999 | | Respiratory rate (per min) | 27.1 ± 21.0 | 28.9 ± 23.1 | 0.421 | | Heart rate (per min) | 67.2 ± 20.6 | 65.8 ± 22.3 | 0.520 | | Systolic pressure (mmHg) | 111 ± 8 | 111 ± 8 | >0.999 | | Diastolic pressure (mmHg) | 72 ± 6 | 73 ± 6 | 0.101 | | Number of oocytes retrieved | 2.6 ± 1.5 | 2.8 ± 1.6 | 0.204 |
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BMI: body mass index.
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