Table 4 Discriminative validity of baseline and follow-up data of ZCQ.

From: Reliability, validity and minimum clinical importance difference of the Chinese version of the Zurich claudication questionnaire

 

Baseline Data (Mean\(\:\pm\:\)SD)

Follow-up Data (Mean\(\:\pm\:\)SD)

Degree

Mild

(n = 31)

Moderate to Severe

(n = 74)

Mild

(n = 34)

Moderate to Severe

(n = 45)

Symptom severity

2.24\(\:\pm\:\)0.53

3.11\(\:\pm\:\)0.61

2.07\(\:\pm\:\)0.57

2.82\(\:\pm\:\)0.58

Physical function

1.81\(\:\pm\:\)0.46

2.79\(\:\pm\:\)0.64

1.89\(\:\pm\:\)0.51

2.78\(\:\pm\:\)0.61

P, Z

P < 0.05, Z=− 6.555

P < 0.05, Z=− 4.135

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