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Table 4 Logistic regressions for the association among pulmonary function measured and body composition adjusted by gender and age

From: Association between air flow limitation and body composition in young adults

 

FEV1(L)

FEF 25–75% (L/s)

Raw(cmH2O/L/s)

sRaw(cmH2O*s)

 

OR [95%CI]a

p

OR [95%CI]a

p

OR [95%CI]a

p

OR [95%CI]a

p

Obese BMI (≥ 30 kg/m2)

0.534 [0.102–2.786]

0.456

0.236[0.027–2.031]

0.189

26.837[2.238–321.790]

0.009

9.344[2.218–39.364]

0.002

Gender (female)

1.176 [0.432–3.199]

0.752

0.983[0.356–2.716]

0.974

2.363[0.190–29.388]

0.504

1.312[0.357–4.822]

0.682

Age

1.104 [0.883–1.382]

0.385

1.084[0.862–1.383]

0.492

1.282[0.794–2.071]

0.309

1.105[0.833–1.466]

0.488

Hosmer-Lemeshow

0.288

 

0.557

 

0.926

 

0.329

 

Fat mass (%)

0.860 [0.241–3.077]

0.817

0.596[0.149–2.384]

0.465

14.047[1.298–151.961]

0.030

4.144[1.162–14.794]

0.028

Gender (female)

1.215 [0.449–3.290]

0.701

1.038[0.379–2.843]

0.941

1.703[0.159–18.227]

0.660

1.112[0.326–3.787]

0.865

Age

1.094 [0.876–1.367]

0.430

1.068[0.852–1.337]

0.566

1.301[0.819–2.067)

0.265

1.122[0.859–1.465]

0.398

Hosmer-Lemeshow

0.160

 

0.224

 

0.850

 

0.208

 

Free fat mass (%)

1.022 [0.947–1.102]

0.581

1.013[0.939–1.094]

0.735

0.770[0.600–0.989]

0.041

0.822[0.727–0.928]

0.002

Gender (female)

1.569 [0.412–5.968]

0.509

1.239[0.325–4.724]

0.754

0.168[0.011–2.615]

0.203

0.143[0.026–0.787]

0.025

Age

1.106 [0.881–1.139]

0.385

1.065[0.847–1.340]

0.588

1.161[0.701–1.923]

0.561

1.047[0.759–1.444]

0.781

Hosmer-Lemeshow

0.452

 

0.301

 

0.969

 

0.346

 
  1. BMI body mass index (kilograms divided by the square of the height in meters), OR odds ratio, CI confidence interval, FEV1 volume that has been exhaled at the end of the first second of forced expiration, FEF25–75% forced expiratory flow 25–75%, Raw airway resistance, sRaw specific airway resistance, cmH2O/L/s centimeters of water divided liters divided seconds, cmH2O*s centimeters of water per second, 75p of Raw male > 1.45, female > 1.86, sRaw male-female > 4.76. 25p FEV1, male < 4.04, female < 3.09. FEF25–75%, male < 3.98, female 3.02