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Table 2 Unadjusted scores of health-related quality of life

From: Impact of smoking on health-related quality of Life after percutaneous coronary intervention treated with drug-eluting stents: a longitudinal observational study

SF-36 Subscale Persisitent smokers
(N = 172)
Never smokers
(N = 351)
Quitters
(N = 126)
P Value
3 Groups Persistent vs Never Persistent vs Quitter Never vs Quitter
Baseline
 Physical functioning 69.87 ± 21.68 72.04 ± 23.36 72.24 ± 21.01 0.601 0.379 0.391 0.941
 Role physical 34.33 ± 43.61 40.94 ± 41.15 32.65 ± 40.80 0.189 0.157 0.747 0.101
 Bodily pain 61.25 ± 26.11 57.95 ± 27.93 63.38 ± 24.31 0.212 0.261 0.517 0.088
 General health 43.33 ± 15.29 52.72 ± 16.50 52.28 ± 15.87 <0.001 <0.001 <0.001 0.820
 PCS 52.20 ± 21.10 55.91 ± 21.65 55.14 ± 17.56 0.242 0.103 0.248 0.753
 Vitality 62.26 ± 18.23 68.78 ± 19.17 65.91 ± 17.36 0.006 0.002 0.111 0.194
 Social functioning 65.18 ± 22.67 70.02 ± 23.94 68.31 ± 20.70 0.157 0.056 0.268 0.531
 Role emotional 45.33 ± 44.39 59.73 ± 45.99 45.32 ± 44.37 0.005 0.004 0.998 0.008
 Mental health 67.6 ± 16.59 63.89 ± 15.99 67.61 ± 14.10 0.053 0.034 0.994 0.049
 MCS 60.09 ± 20.73 65.60 ± 21.52 61.79 ± 19.43 0.050 0.017 0.511 0.126
6 months-baseline
 Physical functioning 80.55 ± 15.81 86.92 ± 19.30 88.13 ± 16.46 <0.001 0.001 <0.001 0.559
 Role physical 46.34 ± 39.78 63.43 ± 44.65 62.00 ± 42.07 0.001 <0.001 0.003 0.780
 Bodily pain 80.12 ± 16.70 85.98 ± 19.51 82.02 ± 19.11 0.015 0.005 0.410 0.076
 General health 38.74 ± 18.36 53.88 ± 19.23 54.13 ± 17.34 <0.001 <0.001 <0.001 0.910
 PCS 61.44 ± 17.71 72.55 ± 20.36 71.57 ± 18.68 <0.001 <0.001 <0.001 0.669
 Vitality 67.97 ± 18.25 77.72 ± 19.28 78.51 ± 18.46 <0.001 <0.001 <0.001 0.727
 Social functioning 70.57 ± 21.28 79.79 ± 21.07 81.22 ± 0.98 <0.001 <0.001 <0.001 0.573
 Role emotional 54.11 ± 38.37 81.30 ± 45.63 66.91 ± 44.09 <0.001 <0.001 0.017 0.005
 Mental health 75.11 ± 16.08 76.55 ± 15.82 76.82 ± 15.97 0.623 0.417 0.389 0.888
 MCS 66.69 ± 19.63 78.84 ± 20.88 75.62 ± 21.03 <0.001 <0.001 0.001 0.192
1 year-baseline
 Physical functioning 81.43 + 16.95 89.19 ± 19.18 87.11 ± 16.32 <0.001 <0.001 0.010 0.328
 Role physical 46.68 ± 39.75 64.67 ± 44.18 59.05 ± 41.39 0.001 <0.001 0.018 0.267
 Bodily pain 80.37 ± 18.22 83.26 ± 17.36 83.32 ± 18.73 0.276 0.150 0.189 0.978
 General health 41.13 ± 18.88 53.53 ± 19.06 54.87 ± 18.81 <0.001 <0.001 <0.001 0.555
 PCS 62.40 ± 19.05 72.66 ± 20.31 71.09 ± 19.12 <0.001 <0.001 <0.001 0.054
 Vitality 72.77 ± 20.83 82.72 ± 19.80 79.74 ± 19.63 <0.001 <0.001 0.006 0.218
 Social functioning 77.73 ± 22.58 82.67 ± 21.02 83.49 ± 21.61 0.054 0.042 0.034 0.753
 Role emotional 58.11 ± 37.48 78.72 ± 45.77 60.27 ± 39.42 <0.001 <0.001 0.675 <0.001
 Mental health 78.89 ± 19.25 77.64 ± 16.65 77.84 ± 16.72 0.798 0.521 0.631 0.923
 MCS 71.88 ± 21.67 80.44 ± 20.95 75.33 ± 19.51 0.001 <0.001 0.183 0.042
  1. PCS physical component summary, MCS Mental component summary