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Comparison of Fat Mass Percentage and Body Mass Index in Koreans With Spinal Cord Injury According to the Severity and Duration of Motor Paralysis.

Han SH, Lee BS, Choi HS, Kang MS, Kim BR, Han ZA, Lee HJ - Ann Rehabil Med (2015)

Bottom Line: The mean FMP was higher in the motor complete tetraplegia group, as compared to the motor incomplete group.In Korean SCI patients, FMP showed good correlation with the duration of SCI and the extent of SCI, while BMI did not.Especially in the motor complete tetraplegia group, the diagnostic value of BMI decreased as the duration after SCI increased.

View Article: PubMed Central - PubMed

Affiliation: Department of Rehabilitation Medicine, National Rehabilitation Center, Seoul, Korea.

ABSTRACT

Objective: To analyze the relationship of the change in fat mass percentage (FMP) and body mass index (BMI) with the change in obesity rate according to gender, extent of spinal cord injury (SCI) and the duration.

Methods: The retrospective study was conducted with medical records of 915 patients. FMP was calculated with BMI and bioelectrical impedance analysis (BIA). Statistical analysis of the relationship between FMP and gender, extent of SCI and the duration after SCI was done.

Results: FMP increased in relation to the duration. The mean FMP was higher in the motor complete tetraplegia group, as compared to the motor incomplete group. The rate of obesity was 69.8% with cutoff FMP values of over 22% and 35% for male and female patients, respectively. Rate of obesity was correlated with the duration after SCI and degree of paralysis. The rate of obesity was 17.1% with a cutoff value of BMI 25 kg/m(2) and 51.3% with a cutoff value of 22 kg/m(2). For evaluation of the diagnostic value of BMI to predict obesity according to FMP standards, a cutoff value of 25 kg/m(2) showed a sensitivity level of 22.3% and specificity level of 94.9%. When the cutoff level for BMI was set at 22 kg/m(2), the sensitivity and specificity were 59.3% and 67.0%, respectively.

Conclusion: In Korean SCI patients, FMP showed good correlation with the duration of SCI and the extent of SCI, while BMI did not. Especially in the motor complete tetraplegia group, the diagnostic value of BMI decreased as the duration after SCI increased. This study suggested that FMP could be used complementarily when evaluating the obesity of SCI patients.

No MeSH data available.


Related in: MedlinePlus

Changes in the percentage of obesity based on the cutoff points of fat mass percentage (FMP) (male≥22%, female≥35%).
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Figure 1: Changes in the percentage of obesity based on the cutoff points of fat mass percentage (FMP) (male≥22%, female≥35%).

Mentions: After the SCI patients were divided based on different injury extent, obesity rates based on measured BMI and FMP were investigated in relation to the duration after the injury. Obesity rate based on FMP was 69.8% in all SCI patients included in the study. Furthermore, the obesity rate for patients with less than 1 year of the duration was 54.6%, 69.5% in patients with the duration between 1 and 5 years, and 78.9% in patients with more than 5 years of the duration. Obesity rates in relation to extent of paralysis were 79.4% for the motor complete tetraplegia group, 69.5% for the motor complete paraplegia group and 60.7% for the motor incomplete group. Obesity rates based on FMP showed tendency of increase with the increased duration in the motor complete paraplegia (p=0.002) and motor incomplete groups (p<0.001) (Fig. 1). When obesity rate based on BMI was investigated with the reference of 25 kg/m2 as a cutoff point for obesity, overall obesity rate was 17.1% in all SCI patients. Obesity rate was 12.5% in those with less than 1 year of prevalence time, 16.4% in those between 1 and 5 years, and 20.4% in those with over 5 years of the duration. Obesity rate in relation to degree of paralysis showed 8.2% of obese patients in the motor complete tetraplegia group, 20.9% of obese patients in the motor complete paraplegia group and 21.8% in the motor incomplete group. In the motor incomplete group only, the obesity rate increased while the duration was protracted (p<0.001) (Fig. 2).


Comparison of Fat Mass Percentage and Body Mass Index in Koreans With Spinal Cord Injury According to the Severity and Duration of Motor Paralysis.

Han SH, Lee BS, Choi HS, Kang MS, Kim BR, Han ZA, Lee HJ - Ann Rehabil Med (2015)

Changes in the percentage of obesity based on the cutoff points of fat mass percentage (FMP) (male≥22%, female≥35%).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4496509&req=5

Figure 1: Changes in the percentage of obesity based on the cutoff points of fat mass percentage (FMP) (male≥22%, female≥35%).
Mentions: After the SCI patients were divided based on different injury extent, obesity rates based on measured BMI and FMP were investigated in relation to the duration after the injury. Obesity rate based on FMP was 69.8% in all SCI patients included in the study. Furthermore, the obesity rate for patients with less than 1 year of the duration was 54.6%, 69.5% in patients with the duration between 1 and 5 years, and 78.9% in patients with more than 5 years of the duration. Obesity rates in relation to extent of paralysis were 79.4% for the motor complete tetraplegia group, 69.5% for the motor complete paraplegia group and 60.7% for the motor incomplete group. Obesity rates based on FMP showed tendency of increase with the increased duration in the motor complete paraplegia (p=0.002) and motor incomplete groups (p<0.001) (Fig. 1). When obesity rate based on BMI was investigated with the reference of 25 kg/m2 as a cutoff point for obesity, overall obesity rate was 17.1% in all SCI patients. Obesity rate was 12.5% in those with less than 1 year of prevalence time, 16.4% in those between 1 and 5 years, and 20.4% in those with over 5 years of the duration. Obesity rate in relation to degree of paralysis showed 8.2% of obese patients in the motor complete tetraplegia group, 20.9% of obese patients in the motor complete paraplegia group and 21.8% in the motor incomplete group. In the motor incomplete group only, the obesity rate increased while the duration was protracted (p<0.001) (Fig. 2).

Bottom Line: The mean FMP was higher in the motor complete tetraplegia group, as compared to the motor incomplete group.In Korean SCI patients, FMP showed good correlation with the duration of SCI and the extent of SCI, while BMI did not.Especially in the motor complete tetraplegia group, the diagnostic value of BMI decreased as the duration after SCI increased.

View Article: PubMed Central - PubMed

Affiliation: Department of Rehabilitation Medicine, National Rehabilitation Center, Seoul, Korea.

ABSTRACT

Objective: To analyze the relationship of the change in fat mass percentage (FMP) and body mass index (BMI) with the change in obesity rate according to gender, extent of spinal cord injury (SCI) and the duration.

Methods: The retrospective study was conducted with medical records of 915 patients. FMP was calculated with BMI and bioelectrical impedance analysis (BIA). Statistical analysis of the relationship between FMP and gender, extent of SCI and the duration after SCI was done.

Results: FMP increased in relation to the duration. The mean FMP was higher in the motor complete tetraplegia group, as compared to the motor incomplete group. The rate of obesity was 69.8% with cutoff FMP values of over 22% and 35% for male and female patients, respectively. Rate of obesity was correlated with the duration after SCI and degree of paralysis. The rate of obesity was 17.1% with a cutoff value of BMI 25 kg/m(2) and 51.3% with a cutoff value of 22 kg/m(2). For evaluation of the diagnostic value of BMI to predict obesity according to FMP standards, a cutoff value of 25 kg/m(2) showed a sensitivity level of 22.3% and specificity level of 94.9%. When the cutoff level for BMI was set at 22 kg/m(2), the sensitivity and specificity were 59.3% and 67.0%, respectively.

Conclusion: In Korean SCI patients, FMP showed good correlation with the duration of SCI and the extent of SCI, while BMI did not. Especially in the motor complete tetraplegia group, the diagnostic value of BMI decreased as the duration after SCI increased. This study suggested that FMP could be used complementarily when evaluating the obesity of SCI patients.

No MeSH data available.


Related in: MedlinePlus