The Influence of Lifestyle on Male Fertility in the Context of Insulin Resistance—Identification of Factors That Influence Semen Quality
Abstract
:1. Introduction
2. Materials and Methods
- (a)
- HOMA-IR was calculated as follows: fasting insulin (μIU/mL) × fasting glucose (mmol/mL)/22.5;
- (b)
- Matsuda Index was calculated as follows: 10,000/√[fasting glucose (mmol/L) × fasting insulin (pmol/L)] × [mean glucose (mmol/L) × mean insulin (pmol/L) during OGTT] [49].
- (a)
- NOMA-IR index: R = fasting insulinemia (mU/mL) × fasting glycemia (mmol/l)/22.5; R > 0.91 ± 0.38 indicated the presence of insulin resistance;
- (b)
- Matsuda index: 100,000/fasting insulinemia (mU/mL) × fasting glycemia (mg/dl) × mean glycaemia value during OGTT × mean insulinemia value during OGTT; Matsuda index values < 7.3 may indicate the presence of insulin resistance [50].
- (1)
- Vitamin Consumption Index (VCI) (0–10 pts)—each vitamin consumed in amounts specified in the recommendations was awarded 1 pt. The following ten vitamins were considered in the analysis: vitamin E, vitamin A, thiamine, riboflavin, niacin, vitamin B6, vitamin C, folic acid, vitamin D, and vitamin B12.
- (2)
- Mineral Consumption Index (MCI) (0–9 pts)—each mineral consumed in amounts specified in the recommendations was awarded 1 pt. The following nine minerals were considered in the analysis: sodium, potassium, magnesium, phosphorus, calcium, iron, zinc, copper, and manganese.
- (3)
- Macronutrient Consumption Index (MacCI) (0–5 pts)—each of the four macronutrients consumed in amounts specified in the recommendations was awarded 1 pt.; 1 pt. was also awarded for adequate caloric intake. The following five parameters were considered in the analysis: fat, carbohydrate, fiber, dietary fiber, and caloric intake.
- (4)
- Dietary Index (DI) (0–24 pts)—this index is calculated as VCI + MCI + MacCI.
- (5)
- Body Composition Index (BCI) (0–3 pts)—each instance of a body composition norm met by the participant was awarded 1 pt. The following three parameters related to body composition were used to calculate the value of the BCI index: Total Body Water (TBW), Body Fat Mass (BFM), and Skeletal Muscle Index (SMI).
3. Results
3.1. Diet
3.2. Body Composition
3.3. Insulin Resistance
3.4. Sexual Abstinence
4. Discussion
5. Conclusions
6. Limitations of This Study
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Parameter | n | Insulin Resistance Median (Q1; Q3) | n | No insulin Resistance Median (Q1; Q3) |
---|---|---|---|---|
Age | 48 | 28.00 (25.00; 32.00) | 28 | 26.50 (25.00; 30.00) |
BMI | 48 | 28.96 (26.74; 33.05) | 28 | 24.41 (22.28; 27.84) |
Physical activity (hours/week) | 40 | 0.50 (0.50; 3.00) | 19 | 3.00 (0.50; 3.00) |
TBW (Total Body Water) | 48 | 50.55 (47.20; 55.15) | 28 | 49.95 (45.75; 54.75) |
BFM (Body Fat Mass) | 48 | 26.70 (21.00; 36.75) | 28 | 14.15 (10.60; 17.50) |
SMI (Skeletal Muscle Index) | 48 | 41.34 (38.14; 44.02) | 28 | 47.65 (43.71; 49.34) |
Sperm concentration per mL | 45 | 29.48 (14.37; 46.88) | 28 | 30.66 (12.45; 54.04) |
Sperm concentration per ejaculate | 45 | 69.53 (40.71; 113.82) | 28 | 101.51 (26.53; 181.96) |
Progressive sperm motility | 45 | 34.78 (19.04; 47.64) | 28 | 37.45 (29.59; 46.85) |
Sperm motility | 45 | 48.64 (34.69; 69.02) | 28 | 58.18 (46.83; 70.94) |
Sperm morphology | 45 | 8.00 (3.00; 13.00) | 28 | 6.00 (2.50; 9.50) |
Fasting insulin | 48 | 8.90 (7.10; 12.45) | 28 | 4.00 (2.80; 5.55) |
Cholesterol level | 48 | 179.50 (163.50; 204.00) | 28 | 170.00 (151.00; 182.00) |
LDL cholesterol level | 48 | 122.00 (103.50; 145.00) | 28 | 105.50 (84.50; 127.50) |
HDL cholesterol level | 48 | 50.00 (39.00; 56.00) | 28 | 52.50 (44.50; 63.00) |
Triglyceride level | 48 | 117.00 (83.50; 141.50) | 28 | 75.00 (46.50; 92.50) |
Parameter | n | Insulin Resistance Median (Q1; Q3) | n | No Insulin Resistance Median (Q1; Q3) |
---|---|---|---|---|
Fast progressive motility [%] | 45 | 19.86 (8.89; 31.13) | 28 | 20.13 (9.15; 32.70) |
Slow progressive motility [%] | 45 | 13.63 (10.18; 11.80) | 28 | 15.68 (10.71; 19.12) |
Non-progressive motility [%] | 45 | 13.86 (10.66; 17.86) | 28 | 16.58 (12.77; 23.71) |
Immobile sperm [%] | 45 | 47.18 (30.98; 58.22) | 28 | 38.02 (28.65; 50.65) |
Hyperactive sperm [%] | 45 | 0.00 (0.00; 0.00) | 28 | 0.00 (0.00; 0.00) |
Mucus penetration [%] | 45 | 33.87 (22.03; 43.78) | 28 | 34.46 (16.95; 43.01) |
Body Composition Index (BCI) [0–3] | ||||||
---|---|---|---|---|---|---|
Motility | 0 | 1 | 2 | 3 | Total | p-Value |
Incorrect | 8 (50%) | 6 (25%) | 3 (14.29%) | 1 (8.33%) | 18 | 0.04 |
Correct | 8 (50%) | 18 (75%) | 18 (85.71%) | 11 (91.67%) | 55 | |
Total | 16 | 24 | 21 | 12 | 73 |
HOMA-IR IR Diagnosis | ||||
---|---|---|---|---|
Motility | No Insulin Resistance | Insulin Resistance | Total | p-Value |
Incorrect | 8 (17.02%) | 10 (38.46%) | 18 | 0.04 |
Correct | 39 (82.98%) | 16 (61.54%) | 55 | |
Total | 47 | 26 | 73 |
Matsuda Index IR Diagnosis | ||||
---|---|---|---|---|
Motility | No Insulin Resistance | Insulin Resistance | Total | p-Value |
Incorrect | 3 (10.71%) | 15 (33.33%) | 18 | 0.03 |
Correct | 25 (89.29%) | 30 (66.67%) | 55 | |
Total | 28 | 45 | 73 |
Sexual Abstinence | ||||
---|---|---|---|---|
Motility | Less than 4 Days | 4 Days and More | Total | p-Value |
Incorrect | 8 (16.67%) | 9 (50%) | 17 | 0.006 |
Correct | 40 (83.33%) | 9 (50%) | 49 | |
Total | 48 | 18 | 66 |
Variable | Odds Ratio | 95% Confidence Interval | p-Value | |
---|---|---|---|---|
Matsuda index | 0.2400 | 0.0623 | 0.9243 | 0.04 |
HOMA-IR index | 0.3282 | 0.1096 | 0.9828 | <0.05 |
MacCI | 0.5589 | 0.3017 | 1.0353 | 0.06 |
MCI | 1.6691 | 1.0633 | 2.6200 | 0.03 |
Tobacco smoking | 1.8667 | 0.4638 | 7.5131 | 0.38 |
Physical activity | 0.3958 | 0.1156 | 1.3552 | 0.14 |
BMI | 0.5133 | 0.2438 | 1.0811 | 0.08 |
Age | 0.9904 | 0.9152 | 1.0718 | 0.81 |
VCI | 1.5094 | 1.1087 | 2.0551 | 0.009 |
Duration of sexual abstinence | 0.2000 | 0.0605 | 0.6612 | 0.008 |
Variable | Odds Ratio | 95% Confidence Interval | p-Value | |
---|---|---|---|---|
Matsuda index | 0.0271 | 0.0016 | 0.4610 | 0.01 |
VCI | 1.7243 | 1.0680 | 2.7837 | 0.03 |
Duration of sexual abstinence | 0.0477 | 0.0059 | 0.3863 | 0.004 |
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Zańko, A.; Martynowicz, I.; Citko, A.; Konopka, P.; Paszko, A.; Pawłowski, M.; Szczerbiński, Ł.; Siewko, K.; Krętowski, A.J.; Kuczyński, W.; et al. The Influence of Lifestyle on Male Fertility in the Context of Insulin Resistance—Identification of Factors That Influence Semen Quality. J. Clin. Med. 2024, 13, 2797. https://doi.org/10.3390/jcm13102797
Zańko A, Martynowicz I, Citko A, Konopka P, Paszko A, Pawłowski M, Szczerbiński Ł, Siewko K, Krętowski AJ, Kuczyński W, et al. The Influence of Lifestyle on Male Fertility in the Context of Insulin Resistance—Identification of Factors That Influence Semen Quality. Journal of Clinical Medicine. 2024; 13(10):2797. https://doi.org/10.3390/jcm13102797
Chicago/Turabian StyleZańko, Adrianna, Iwo Martynowicz, Anna Citko, Paulina Konopka, Adam Paszko, Michał Pawłowski, Łukasz Szczerbiński, Katarzyna Siewko, Adam Jacek Krętowski, Waldemar Kuczyński, and et al. 2024. "The Influence of Lifestyle on Male Fertility in the Context of Insulin Resistance—Identification of Factors That Influence Semen Quality" Journal of Clinical Medicine 13, no. 10: 2797. https://doi.org/10.3390/jcm13102797
APA StyleZańko, A., Martynowicz, I., Citko, A., Konopka, P., Paszko, A., Pawłowski, M., Szczerbiński, Ł., Siewko, K., Krętowski, A. J., Kuczyński, W., & Milewski, R. (2024). The Influence of Lifestyle on Male Fertility in the Context of Insulin Resistance—Identification of Factors That Influence Semen Quality. Journal of Clinical Medicine, 13(10), 2797. https://doi.org/10.3390/jcm13102797