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Table 4 SF-36 scores before and 1 year after cardiac surgery (n = 133)

From: Pulmonary function and health-related quality of life 1-year follow up after cardiac surgery

  Before surgery 1 year after surgery Preoperative to postoperative change in SF-36 scores
Mean ± SD Mean ± SD, CI for the change [95 % CI] P-value
Md (min-max) Md (min-max)
PF 65.0 ± 24.5 81.7 ± 20.7 16.7 [12.8–20.5] <0.001
70 (5–100) 90 (10–100)
RP 39.8 ± 43.0 79.0 ± 33.7 39.2 [31.1–47.3] <0.001
25 (0–100) 100 (0–100)
BP 69.4 ± 27.6 83.6 ± 22.3 14.1 [9.1–19.2] <0.001
74 (12–100) 100 (0–100)
GH 64.2 ± 18.1 77.4 ± 17.7 13.2 [10.3–16.0] <0.001
65 (15–100) 82 (25–100)
VT 54.8 ± 23.7 73.6 ± 18.6 18.8 [15.0–22.6] <0.001
55 (0–100) 80 (25–100)
SF 78.8 ± 24.3 92.8 ± 13.8 14.0 [9.9–18.1] <0.001
88 (13–100) 100 (50–100)
RE 67.2 ± 42.2 82.3 ± 33.8 15.2 [7.1–23.2] <0.001
100 (0–100) 100 (0–100)
MH 74.5 ± 19.7 85.8 ± 15.2 11.3 [7.9–14.7] <0.001
80 (12–100) 92 (36–100)
  1. Data are presented as mean ± SD and median (min-max) [95 % CI of the difference]. P-value < 0.05 was considered significant
  2. BP bodily pain, CI confidence interval, GH general health, Md median, MH mental health, PF physical functioning, RE emotional role functioning, RP physical role functioning, SF social functioning, VT vitality. Incomplete/missing data n = 17