Table 2.
Baseline characteristics of the accurate estimation (AE), overestimation (OE), and underestimation (UE) groups in the study.
| Volunteers, N = 342 | AE, N = 89 | OE, N = 249 | UE, N = 4 | P value |
|---|---|---|---|---|
| Age (years), mean (SD) | 31.96 (6.75) | 31.86 (5,59) | 29.00 (2.45) | .618 |
| Height (cm), mean (SD) | 175.60 (5.33) | 175.80 (5.79) | 173.80 (1.71) | .738 |
| Weight (kg), mean (SD) | 82.22 (14.21) | 79.82 (13.91) | 83.50 (8.96) | .344 |
| BMI (kg/m2), mean (SD) | 26.58 (3.88) | 25.80 (4.27) | 27.65 (2.85) | .235 |
| Penile dimensions (cm), mean (SD) | ||||
| Flaccid length** | 6.74 (1.39) | 7.46 (1.64) | 7.00 (1.41) | .001 |
| Stretched length** | 11.46 (1.69) | 12.01 (1.47) | 13.50 (2.38) | .002 |
| Self-reported length*** | 11.46 (1.69) | 13.31 (1.65) | 11.75 (1.71) | <.001 |
| Penile lengthening ratio (%)** | 73 (22) | 71 (14) | 97 (36) | .008 |
| Penile Dimensions (cm), median (IQR) | ||||
| Flaccid length | 7 (6-7) | 7 (6-8) | 7.5 (5.5-8) | NA |
| Stretched length | 12 (10-12) | 12 (11-13) | 12.5 (12-16) | NA |
| Self-reported length | 12 (10-12) | 13 (12-14) | 11.5 (10.25-13.5) | NA |
Abbreviations: SD, Standard deviation; BMI, Body mass index; IQR, interquartile range; NA, not applicable.