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Table 2 Predictors of global quality of life and of sleep disturbance

From: Sleep disturbances and quality of life in postoperative management after esophagectomy for esophageal cancer

Global quality of life after surgery predictors (R2= 0.10)

Kendall’s τ

P value

Multiple regression β

P value

Duration of fentanest infusion in ICU

−0.199

0.028

−0.148

0.244

Duration of dopamine infusion in ICU

−0.208

0.022

  

Daily request of hypnotics in surgical ward

−0.238

0.008

−0.297

0.022

Fatigue after surgery R2= 0.28

Kendall’s τ

P value

Multiple regression β

P value

Daily request of benzodiazepine in surgical ward

0.219

0.012

0.288

0.051

Sleep disturbance at admission

0.257

0.018

0.399

0.008

Postoperative cardiologic complications

0.186

0.033

  

Duration of right lung exclusion

0.187

0.036

  

Emotional function after surgery R2= 0.30

Kendall’s τ

P value

Multiple regression β

P value

Daily request of tramadol in surgical ward

−0.211

0.019

−0.354

0.004

Previous use of benzodiazepine

−0.255

0.005

−0.335

0.006

Daily request of benzodiazepine in surgical ward

−0.275

0.002

−0.242

0.043

Duration of dopamine infusion in ICU

−0.205

0.024

−0.133

0.257

Pain after surgery R2= 0.24

Kendall’s τ

P value

multiple regression β

P value

Cardiologic comorbidities

−0.304

0.001

−0.375

0.002

Maximum PEEP used in ICU

−0.224

0.016

−0.210

0.081

Duration of fentanest infusion in ICU

0.179

0.050

0.220

0.066

Daily request of benzodiazepine in surgical ward

0.187

0.040

0.157

0.189

Sleep disturbance after surgery R2= 0.23

Kendall’s τ

P value

multiple regression β

P value

Daily request of benzodiazepine in surgical ward

0.286

0.002

0.318

0.010

Previous use of benzodiazepine

0.260

0.004

0.234

0.052

Emotional functioning after surgery

−0.197

0.030

  

Duration of dopamine infusion in ICU

0.198

0.031

0.236

0.049

Psychiatric comorbidities

0.245

0.007

  

Pain after surgery

0.198

0.031

0.231

0.057