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Table 1 Baseline characteristics of the participants

From: Vagal activity mediates the relationship between active housework and delayed neurocognitive recovery in elderly patients: a prospective nested case-control study

Variables

No- dNCR

(n = 108)

dNCR

(n = 33)

p

Age, years

67(5.75)

71(5)

< 0.001

Gender, n (%)

  

0.618

Female

86(79.60)

28(84.80)

 

Male

22(20.40)

5(15.20)

 

Body mass index, kg/m2

26.68(4.02)

26.04(4.71)

0.693

Education, n (%)

  

0.280

Primary school or less

71(65.70)

25(75.80)

 

High school or above

37(34.30)

8(24.20)

 

Smoking, n (%)

  

0.243

No

91(84.30)

31(93.90)

 

Yes

17(15.70)

2(6.10)

 

Drinking, n (%)

  

0.188

No

95(88.00)

32(97.00)

 

Yes

13(12.00)

1(3.00)

 

CCI, n (%)

  

< 0.001

0

48(44.40)

3(9.10)

 

1

43(39.80)

19(57.60)

 

2

12(11.10)

5(15.20)

 

3

5(4.60)

3(9.10)

 

4

0(0.00)

3(9.10)

 

ASA, n (%)

  

0.011

II

104(96.30)

27(81.80)

 

III

4(3.70)

6(18.20)

 

CES-D 10 score, point

7(2)

9(1)

< 0.001

PSQI score, point

8(2.75)

8(2)

0.598

MMSE score, point

27(3)

26(3)

0.012

Total anesthesia drugs

   

Sufentanil, ug

126.8(5.20)

126.4(4.20)

0.407

Remifentanil, ug

923.63(444.86)

892.5(420.90)

0.477

Propofol, mg

636(120.38)

637.50(104.25)

0.731

Duration of anesthesia, min

150(30)

150(30)

0.442

Duration of surgery, min

90(35.25)

92(30)

0.934

Blood loss, ml

155(100)

150(100)

0.880

VAS, point

2(1)

2(1)

0.561

ADL score, point

100(10)

95(10)

0.033

Length of hospital stay, d

8(3)

8(4)

0.383

PASE categorization, point

  

< 0.001

Sedentary behavior

39(36.10)

26(78.80)

 

Active housework

69(63.90)

7(21.20)

 

vmHRV (Ln HF)

4.10(0.48)

3.14(0.44)

< 0.001

  1. Notes Mean ± SD or Median (IQR) for continuous variables; n (%) for categorical variables; The p-values were calculated by t-test, Mann-Whitney U test, chi-squared test, or Fisher’s exact test. Boldface values indicate p < 0.05
  2. Abbreviations dNCR: delayed neurocognitive recovery; CCI: Charlson Comorbidity Index; ASA: American Society of Anesthesiologists; CES-D 10: the 10-item Center for Epidemiologic Studies Depression Scale; MMSE, Mini Mental State Examination; PASE: physical activity scale for the elderly; PSQI: Pittsburgh Sleep Quality Index; MMSE: Mini-Mental State Examination; VAS: visual analogue scale; ADL: Activities of Daily Living; vmHRV: resting vagally mediated heart rate variability; HF: high-frequency power spectra