Table 2 Risk and protective factors for nosocomial infections: all, pneumonia, urinary-tract infection and bloodstream infection.

From: Dementia, stroke, age, use of medical devices and antipsychotic drugs may increase the risk of nosocomial infections among elderly patients hospitalized at Neurology Clinics

Model 1

Model 2

Model 3

 

OR(95%CI)

p

 

OR(95%CI)

p

 

OR(95%CI)

p

Outcome: nosocomial infections

 Sex M

1.17(0.89–1.54)

0.252

Sex M

1.29(0.97–1.73)

0.082

Sex M

1.19(0.90–1.58)

0.231

 Age

1.07(1.04–1.09)

 < 0.001

Age

1.05(1.03–1.08)

 < 0.001

Age

1.06(1.04–1.09)

 < 0.001

 Dementia

1.31(1.00–1.71)

0.054

Dementia

1.13(0.84–1.53)

0.413

Dementia

1.25(0.93–1.68)

0.133

 Stroke

1.81(1.33–2.45)

 < 0.001

Stroke

1.71(1.23–2.38)

0.001

Stroke

1.79(1.30–2.47)

 < 0.001

 Diabetes

0.84(0.61–1.17)

0.304

Diabetes

0.90(0.63–1.27)

0.538

Diabetes

0.90(0.64–1.27)

0.555

Antipsychotic drugs

1.07(0.73–1.57)

0.726

Antipsychotic drugs

1.13(0.77–1.65)

0.543

CVC

2.91(1.18–7.18)

0.021

days CVC

1.02(0.98–1.06)

0.437

Power Glide

0.28(0.04–1.85)

0.188

days Power Glide

0.70(0.42–1.16)

0.162

PVC

1.65(1.20–2.25)

0.002

days PVC

1.00(1.00–1.00)

0.690

PICC

0.74(0.32–1.70)

0.474

days PICC

1.00(0.98–1.02)

0.909

Nasogastric tube

2.35(1.27–4.32)

0.006

Days Nasogastric tube

1.00(0.97–1.03)

0.865

Midline

2.39(1.18–4.84)

0.016

days Midline

1.13(1.01–1.26)

0.036

Urinary Catheter

5.01(3.45–7.30)

 < 0.001

Days Urinary Catheter

1.07(1.05–1.09)

 < 0.001

 _cons

0.00(0.00–0.00)

0.000

_cons

0.00(0.00–0.01)

 < 0.001

_cons

0.00(0.00–0.00)

 < 0.001

Outcome: pneumonia

 Sex M

1.99(1.42–2.81)

 < 0.001

Sex M

2.19(1.54–3.11)

 < 0.001

Sex M

2.02(1.43–2.85)

 < 0.001

 Age

1.06(1.03–1.09)

 < 0.001

Age

1.06(1.03–1.08)

 < 0.001

Age

1.06(1.03–1.09)

 < 0.001

 Dementia

1.58(1.12–2.22)

0.009

Dementia

1.52(1.06–2.18)

0.022

Dementia

1.55(1.09–2.21)

0.016

 Stroke

1.95(1.34–2.85)

0.001

Stroke

1.79(1.22–2.64)

0.003

Stroke

1.90(1.30–2.78)

0.001

 Diabetes

0.62(0.39–0.96)

0.034

Diabetes

0.64(0.41–1.00)

0.051

Diabetes

0.62(0.40–0.98)

0.041

Antipsychotic drugs

0.96(0.60–1.53)

0.860

Antipsychotic drugs

0.95(0.60–1.51)

0.824

Nasogastric tube

5.87(3.26–10.54)

 < 0.001

days Nasogastric tube

1.06(1.03–1.08)

 < 0.001

 _cons

0.00(0.00–0.00)

 < 0.001

_cons

0.00(0.00–0.00)

 < 0.001

_cons

0.00(0.00–0.00)

 < 0.001

Outcome: urinary–tract infection

 Sex M

0.63(0.44–0.91)

0.014

Sex M

0.65(0.45–0.95)

0.027

Sex M

0.63(0.44–0.92)

0.016

 Age

1.06(1.03–1.09)

 < 0.001

Age

1.05(1.02–1.08)

0.001

Age

1.06(1.03–1.09)

 < 0.001

 Dementia

0.93(0.65–1.31)

0.664

Dementia

0.83(0.57–1.21)

0.338

Dementia

0.87(0.60–1.26)

0.450

 Stroke

1.52(1.03–2.22)

0.033

Stroke

1.52(1.03–2.26)

0.037

Stroke

1.47(0.99–2.18)

0.056

 Diabetes

0.91(0.60–1.38)

0.651

Diabetes

0.94(0.61–1.46)

0.795

Diabetes

0.95(0.61–1.46)

0.805

Antipsychotic drugs

1.33(0.84–2.12)

0.225

Antipsychotic drugs

1.34(0.85–2.12)

0.214

Urinary Catheter

5.42(3.68–8.00)

 < 0.001

Days Urinary Catheter

1.05(1.04–1.07)

 < 0.001

 _cons

0.00(0.00–0.01)

 < 0.001

_cons

0.00(0.00–0.02)

 < 0.001

_cons

0.00(0.00–0.02)

 < 0.001

Outcome: bloodstream infection

 Sex M

0.70(0.25–1.95)

0.497

Sex M

0.74(0.27–2.08)

0.573

Sex M

0.75(0.26–2.14)

0.586

 Age

1.05(0.97–1.13)

0.243

Age

1.05(0.97–1.13)

0.255

Age

1.03(0.95–1.12)

0.456

 Dementia

0.84(0.32–2.26)

0.736

Dementia

0.55(0.19–1.60)

0.270

Dementia

0.54(0.18–1.65)

0.280

 Stroke

1.99(0.73–5.43)

0.178

Stroke

1.92(0.70–5.26)

0.205

Stroke

2.04(0.72–5.73)

0.178

 Diabetes

0.55(0.14–2.14)

0.393

Diabetes

0.66(0.17–2.54)

0.542

Diabetes

0.55(0.13–2.32)

0.419

Antipsychotic drugs

3.45(1.20–9.95)

0.022

Antipsychotic drugs

3.50(1.15–10.66)

0.028

CVC

9.47(2.22–40.28)

0.002

days CVC

1.07(1.02–1.12)

0.003

Power Glide

6.20(0.29–131.61)

0.242

days Power Glide

1.70(1.06–2.72)

0.029

PVC

1.22(0.43–3.48)

0.705

days PVC

1.00(1.00–1.00)

0.051

PICC

0.73(0.04–13.18)

0.832

days PICC

1.02(1.00–1.03)

0.092

Midline

6.75(1.95–23.37)

0.003

days Midline

1.22(1.09–1.36)

0.001

 _cons

0.00(0.00–0.39)

0.025

_cons

0.00(0.00–0.29)

0.021

_cons

0.00(0.00–1.20)

0.056

  1. CVC central intravenous catheter, PVC peripheral intravenous catheter, PICC peripherally inserted central catheter.
  2. Significant values are in [bold].