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Table 4 Modified Medical Research Council (mMRC) dyspnoea score in respondents with normal weight (BMI < 25 kg/m2) and overweight/obesity (BMI ≥ 25 kg/m2)

From: Association between body mass index and patient-reported-outcome questionnaire scores (CAT™, ACT™, mMRC dyspnoea scale, IPAQ) in Ukraine, Kazakhstan and Azerbaijan: results of the CORE study

mMRC dyspnoea score*

Ukraine

Kazakhstan

Azerbaijan

Overall population

 < 25 kg/m2

 ≥ 25 kg/m2

Overall population

 < 25 kg/m2

 ≥ 25 kg/m2

Overall population

 < 25 kg/m2

 ≥ 25 kg/m2

0

755 (78.3%)

456 (86.7%)

298 (68.2%)

648 (68.6%)

387 (78.2%)

261 (58.1%)

691 (74.1%)

345 (82.3%)

343 (67.1%)

1

164 (17.0%)

51 (9.7%)

113 (25.9%)

248 (26.2%)

87 (17.6%)

160 (35.6%)

211 (22.6%)

66 (15.8%)

145 (28.4%)

2

24 (2.5%)

10 (1.9%)

14 (3.2%)

37 (3.9%)

13 (2.6%)

24 (5.3%)

19 (2.0%)

4 (1.0%)

15 (2.9%)

3

9 (0.9%)

4 (0.8%)

5 (1.1%)

9 (1.0%)

5 (1.0%)

4 (0.9%)

7 (0.8%)

2 (0.5%)

5 (1.0%)

4

5 (0.5%)

2 (0.4%)

3 (0.7%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

Missing

7 (0.7%)

3 (0.6%)

4 (0.9%)

3 (0.3%)

3 (0.6%)

0 (0.0%)

5 (0.5%)

2 (0.5%)

3 (0.6%)

Total

964 (100.0%)

526 (100.0%)

437 (100.0%)

945 (100.0%)

495 (100.0%)

449 (100.0%)

933 (100,0%)

419 (100.0%)

511 (100.0%)

p value

 < 0.001

 

 < 0.001

 

 < 0.001

 
  1. *mMRC dyspnoea scores:
  2. 0: Responder is not affected by shortness of breath, except when engaging in strenuous exercise
  3. 1: Responder has shortness of breath when walking briskly on flat ground or slightly uphill
  4. 2: Responder walks more slowly on flat surfaces than other people his/her age because of shortness of breath, or he/she has to stop to catch the breath when walking at his/her own pace on flat ground
  5. 3: Responder has to stop to catch his/her breath after walking around 100 m or after walking for a few minutes on flat ground
  6. 4: Responder’s shortness of breath prevents him/her from leaving home or he/she has shortness of breath when dressing or undressing