Journal of Peking University (Health Sciences) ›› 2020, Vol. 52 ›› Issue (4): 678-683. doi: 10.19723/j.issn.1671-167X.2020.04.015

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Decision regret analysis among Chinese patients receiving penile girth enhancement with acellular dermal matrix

Chun-long ZHANG,He LI,Qing LI,Wen-jun BAI,Tao XU,Xiao-wei ZHANG()   

  1. Department of Urology, Peking University People’s Hospital, Beijing 100044, China
  • Received:2020-04-15 Online:2020-08-18 Published:2020-08-06
  • Contact: Xiao-wei ZHANG E-mail:docachang@126.com
  • Supported by:
    Beijing Municipal Natural Science Foundation(7194327)

Abstract:

Objective: To evaluate decision regret among patients receiving penile girth enhancement with acellular dermal matrix (PGE with ADM) and to investigate the potential indicators for decisional regret so as to facilitate the decision-making process for this special group. Methods: In the study, 78 patients receiving PGE with ADM from Jun. 2016 to Jan. 2019 at Peking University People’s Hospital and cooperative hospitals were eligible. Penile girth was taken by only one surgeon 1 week before surgery. Hospital anxiety and depression scale (HAD), international index of erectile function (IIEF) and a 10 cm long visual analogue scale named visualized penile image (VPI) were applied to measure psychological burden, erectile function and satisfaction with penile image respectively at the same time. All the patients were followed up for 3 months. Decision regret scale (DRS) was adopted for measuring decisional regret. Multivariate analysis of variance was applied to investigate the potential indicators for regret. Data analysis process was conducted with SPSS (version 24.0; SPSS, Chicago, IL, USA). Results: Mean penile girth recorded before intervention was (8.29±0.30) cm and increased to (9.46±0.29) cm post surgery (t=76.28, P< 0.01). As for both subscales of HAD measuring psychological burden, a signi-ficant reduction in the mean score was seen, that is, 2.8±1.3 (t=19.28, P< 0.05) for anxiety and 3.0±1.2 (t=20.67, P< 0.05) for depression, respectively. The average score of VPI increased by 3.7±1.1 (t=30.63, P< 0.05). There was no significant change in the average score of IIEF measuring erectile satisfaction (t=1.60, P=0.11). Twenty-nine (38.2%) patients expressed regret to some degree, and the mean DRS score was 23.4±14.8. The scores of DRS correlated negatively with scores of visualized penis image (r=-0.348, P< 0.01), and positively with scores of anxiety (r=0.760, P< 0.01) and depression subscale (r=0.471, P< 0.01). The scores of DRS was irrelevant to those of IIEF (r=0.02, P=0.867). The patients with high annual income (> 120 000 yuan) and education level above undergraduate were more prone to experience decision regret after intervention (P< 0.01). Conclusion: PGE with ADM did augment penile girth and lower psychological burden, the regret rate of which was acceptably low among the patients. High income and good education might indicate more post-operative regret. Additional decision-making aids should be offered to patients with high income and education level above high school.

Key words: Decision regret, Penile girth enhancement, Acellular dermal matrix

CLC Number: 

  • R699.8

Table 1

Descriptive demographic information and results of multivariate analysis of variance"

Categories Number % Decision regret F* P*
Age/years 0.556 0.458
>30 21 27.6 30.0±40.4
≤ 30 55 72.4 29.0±40.7
Marital status 3.406 0.069
Single 49 64.5 28.6±41.0
Coupled 27 35.5 25.9±39.8
Education level 16.089 0.000
Undergraduate or below 51 67.1 13.9±31.3
Above undergraduate 25 32.9 55.0±43.3
Annual income/yuan 8.104 0.006
>120 000 31 40.8 13.6±30.8
≤120 000 45 59.2 47.3±43.3
Body mass index/(kg/m2) 0.830 0.440
Normal (18.5-24.9) 13 17.1 28.8±38.1
Overweight (25.0-29.9) 41 53.9 29.5±43.4
Fat (≥30.0) 22 28.9 29.1±39.4
Sexual orientation - -
Heterosexual 75 98.7
Homosexual 1 1
Bisexual 0 0

Figure 1

Detailed information on scores of anxiety (A), depression (B), VPI (C) and IIEF (D) scales * P < 0.05 for paired t test. VPI, visualized penile image; IIEF, international index of erectile function."

Table 2

Decision regret among patients"

Category Number Mean score Range
No regret 47 0 0
Mild 7 17.5±6.5 0-25
Moderate 22 60.7±19.1 30-100
Total 76 27.6±38.2 0-100

Table 3

Correlation coefficients of scores of DRS, anxiety, depression, VPI and IIEF scales"

Anxiety Depression VPI IIEF
DRS 0.760# 0.471# -0.348# 0.020
Anxiety - 0.324# -0.267# 0.137
Depression - - -0.367# 0.110
VPI - - - -0.152
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