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Table 3 The LCQ-MC scores after surgery and follow-up

From: Preoperative fractional exhaled nitric oxide is a risk and predictive factor of postoperative cough for early-stage non-small cell lung cancer patients: a longitudinal study

LCQ-MC

High-FENO

Low-FENO

Z value

P value

Postoperative scores

≥ 31 ppb(n = 87)

< 31 ppb(n = 51)

  

Physical

5.00(4.71–5.50)

5.29(4.50–5.71)

-1.058

0.290

Psychological

4.71(4.00-5.60)

5.14(4.40–5.40)

-1.524

0.128

Social

5.33(4.67-6.00)

5.33(4.76-6.00)

-0.614

0.540

Total

15.08(13.47–17.50)

15.08(14.27–17.07)

-1.204

0.229

Scores at 1 month

≥ 31 ppb(n = 84)

< 31 ppb(n = 50)

  

Physical

6.14(5.43-7.00)

7.00(5.96-7.00)

-2.118

0.034

Psychological

5.90(4.40-7.00)

7.00(5.60-7.00)

-2.261

0.024

Social

6.33(5.42-7.00)

7.00(6.00–7.00)

-1.890

0.059

Total

18.25(15.78-21.00)

21.00(17.46-21.00)

-2.159

0.031

Scores at 3 months

≥ 31 ppb(n = 44)

< 31 ppb(n = 20)

  

Physical

6.64(5.57-7.00)

7.00(6.00–7.00)

-1.201

0.230

Psychological

6.70(4.80-7.00)

7.00(5.90-7.00)

-1.226

0.220

Social

7.00(5.75-7.00)

7.00(6.50-7.00)

-1.557

0.119

Total

19.73(16.32-21.00)

21.00(18.77-21.00)

-1.263

0.207

Scores at 6 months

≥ 31 ppb(n = 23)

< 31 ppb(n = 8)

  

Physical

7.00(6.57-7.00)

6.64(6.46-7.00)

-1.288

0.275*

Psychological

7.00(6.80-7.00)

6.50(5.85-7.00)

-1.596

0.172*

Social

7.00(6.80-7.00)

6.83(6.42-7.00)

-1.704

0.203*

Total

21.00(20.09-21.00)

19.83(18.87-21.00)

-1.672

0.145*

Scores at 9 months

≥ 31 ppb(n = 7)

< 31 ppb(n = 5)

  

Physical

7.00(7.00–7.00)

7.00(7.00–7.00)

-0.845

0.755*

Psychological

7.00(7.00–7.00)

7.00(7.00–7.00)

-0.845

0.755*

Social

7.00(7.00–7.00)

7.00(7.00–7.00)

-0.845

0.755*

Total

21.00(21.00–21.00)

21.00(21.00–21.00)

-0.845

0.755*

Scores at 12 months

≥ 31 ppb(n = 1)

< 31 ppb(n = 0)

  

Physical

NA

NA

NA

NA

Psychological

NA

NA

NA

NA

Social

NA

NA

NA

NA

Total

NA

NA

NA

NA

  1. Data are presented as median (IQR) and Mann-Whitney U test
  2. *, P value is using exact value
  3. LCQ-MC, Leicester Cough Questionnaire in Mandarin-Chinese ; IQR, interquartile range