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Table 2 Changes in SF-36 scores Changes in SF-36 scores from 6 months to 2 years after ICU discharge (paired t-tests). Difference in scores at 6 months between patients lost to 2-year follow-up and patients answering after 2 years (t-tests).

From: Changes in health-related quality of life from 6 months to 2 years after discharge from intensive care

(SD) n= GH PF RP RE SF BP VT MH
All, 6 months 100 54.8 (24.1) 59.7 (32.6) 31.8 (40.2) 59.3 (46.1) 64.3 (30.5) 59.8 (30.7) 48.5 (21.1) 73.5 (18.4)
All, 2 years 100 54.7 (25.3) 63.3 (32.0) 40.8 (40.6) 62.0 (43.2) 72.0 (28.1) 60.4 (30.7) 51.1 (20.5) 71.4 (18.3)
Difference 95% CI - 0.1
- 4.3 to 4.0
+ 3.6
- 0.4 to 7.8
+ 9.0
0.26 to 17.7
+ 2.7
- 6.0 to 11.3
+ 7.7
2.7 to 12.8
+ 0.6
- 5.2 to 6.5
+ 2.6
- 1.4 to 6.6
- 2.1
- 5.5 to 1.2
Medical, 6 months 26 51.9 (24.8) 66.2 (31.2) 40.4 (45.9) 61.5 (42.9) 62.7 (31.4) 59.8 (30.0) 48.5 (21.2) 72.8 (17.6)
Medical, 2 years 26 54.5 (23.9) 72.1 (28.5) 50.0 (41.8) 62.8 (43.6) 76.0 (28.2) 60.5 (27.9) 53.7 (15.8) 71.4 (15.0)
Difference
95% CI
+ 2.6
-5.7 to 10.9
+ 5.9
-0.9 to 12.8
+ 9.6
-9.1 to 28.4
+ 1.3
-10.4 to 13.0
+ 13.3
1.1 to 25.5
+ 0.7
-9.8 to 11.1
+ 5.2
-2.3 to 12.7
-1.4
-8.6 to 5.8
Surgical, 6 months 74 55.8 (24.0) 57.4 (32.9) 28.7 (37.9) 58.6 (47.4) 64.9 (30.4) 59.7 (31.2) 48.4 (21.2) 73.8 (18.8)
Surgical, 2 years 74 54.7 (26.1) 60.2 (32.8) 37.5 (40.0) 61.7 (43.4) 70.6 (28.1) 60.4 (31.8) 50.1 (21.9) 71.4 (19.5)
Difference 95% CI -1.1
-6.0 to 3.8
+ 2.8
-2.0 to 7.6
+ 8.8
-1.3 to 18.9
+ 3.1
-7.9 to 14.3
+ 5.7
0.3 to 11.2
+ 0.7
-6.5 to 7.8
+ 1.7
-3.2 to 6.6
-2.4
-6.4 to 1.5
26 patients lost at 2 years, 6 months 47.6 (19.9) 45.6 (31.6) 18.3 (27.0) 33.3 (41.9) 56.7 (26.3) 47.3 (32.5) 37.3 (19.4) 62.8 (22.5)
100 patients answering twice, 6 months 54.8 (24.1) 59.7 (32.6) 31.8 (40.2) 59.3 (46.1) 64.3 (30.5) 59.8 (30.7) 48.4 (21.1) 73.5 (18.4)
Difference
95% CI (t-test)
+ 7.2
-3.0 to 17.3
+ 14.1
0.0 to 28.2
+ 13.5
0.2 to 26.8
+ 26.0
6.6 to 45.3
+ 7.6
-5.4 to 20.5
+ 12.5
-1.1 to 26.0
+ 11.1
2.1 to 20.2
+ 10.7
2.3 to 19.2
  1. (GH general health, PF physical functioning, RP role physical, RE role emotional, SF social functioning, BP bodily pain, VT vitality, MH mental health. 0 = worst score, 100 = best score).