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Table 4 Differences in QIRC questionnaire items between surgery and spectacles groups

From: Four-year observation of predictability and stability of small incision lenticule extraction

Variables Surgery group Spectacles group P
Mean SD Medium IQR Mean SD Medium IQR
1. Total score 45.71 2.61 45.36 43.73 to 47.51 39.96 3.56 39.42 37.11 to 41.65 <0.001
2. How much difficulty do you have driving in glare conditions? 52.27 7.98 45.06 45.06 to 60.51 38.54 11.16 29.61 29.61 to 45.06 <0.001
3. During the past month, how often have you experienced your eyes feeling tired or strained? 46.41 8.27 49.66 34.21 to 49.66 45.08 9.31 49.66 34.21 to 49.66 0.524
4. How much trouble is not being able to use off-the-shelf (non prescription) sunglasses? 47.77 11.87 56.71 41.26 to 56.71 34.97 9.73 41.26 25.81 to 41.26 <0.001
5. How much trouble is having to think about your spectacles or contact lenses or your eyes after refractive surgery before doing things; eg, traveling, sport, going swimming? 58.93 5.79 61.37 61.37 to 61.37 41.91 12.44 45.92 30.47 to 45.92 <0.001
6. How much trouble is not being able to see when you wake up; eg, to go to the bathroom, look after a baby, see alarm clock? 56.88 5.79 59.32 59.32 to 59.32 44.44 9.94 43.87 43.87 to 43.87 <0.001
7. How much trouble is not being able to see when you are on the beach or swimming in the sea or pool, because you do these activities without spectacles or contact lenses? 57.42 11.87 63.92 48.48 to 63.92 36.66 7.93 33.03 33.03 to 33.03 <0.001
8. How much trouble is your spectacles or contact lenses when you wear them when using a gym/ doing keep-fit classes/circuit training, etc? 32.40 11.93 24.27 24.27 to 39.72 29.21 8.51 24.27 24.27 to 39.72 0.351
9. How concerned are you about the initial and ongoing cost to buy your current spectacles/ contact lenses/refractive surgery? 58.92 7.66 64.61 49.16 to 64.61 49.16 12.73 49.16 33.71 to 64.61 0.004
10. How concerned are you about the cost of unscheduled maintenance of your spectacles/ contact lenses/refractive surgery; eg, breakage, loss, new eye problems? 47.61 13.87 45.18 29.73 to 60.62 38.88 12.19 29.73 29.73 to 45.18 0.015
11. How concerned are you about having to increasingly rely on your spectacles or contact lenses since you started to wear them? 42.69 13.00 34.56 34.56 to 50.01 47.72 13.22 50.01 34.56 to 65.46 0.128
12. How concerned are you about your vision not being as good as it could be? 38.31 8.68 34.24 34.24 to 32.24 38.82 9.31 34.24 34.24 to 34.24 0.889
How concerned are you about medical complications from your choice of optical correction (spectacles, contact lenses and/or refractive surgery)? 34.28 10.57 28.59 28.59 to 44.04 38.89 11.23 44.04 28.59 to 44.04 0.084
13. How concerned are you about eye protection from ultraviolet (UV) radiation? 39.79 8.68 35.72 35.72 to 35.72 43.73 11.52 35.72 35.72 to 51.17 0.182
14. During the past month, how much of the time have you felt that you have looked your best? 39.75 12.36 45.52 28.25 to 45.52 38.11 12.97 28.25 28.25 to 45.52 0.536
15. During the past month, how much of the time have you felt that you think others see you the way you would like them to (eg, intelligent, sophisticated, successful, cool, etc)? 47.17 5.45 48.99 48.99 to 48.99 43.01 11.01 48.99 31.72 to 48.99 0.079
16. During the past month, how much of the time have you felt complimented/flattered? 51.51 11.34 54.55 37.28 to 54.55 48.50 12.01 54.55 37.28 to 54.55 0.304
17. During the past month, how much of the time have you felt confident? 44.87 9.63 42.67 42.67 to 57.94 39.10 11.98 42.67 25.40 to 42.67 0.063
18. During the past month, how much of the time have you felt happy? 46.04 7.75 39.61 39.61 to 54.88 38.60 10.51 39.61 39.61 to 39.61 0.008
19. During the past month, how much of the time have you felt able to do the things you want to do? 30.65 6.71 31.66 31.66 to 31.66 27.59 15.93 31.66 14.39 to 31.66 0.078
20. During the past month, how much of the time have you felt eager to try new things? 42.61 9.10 41.22 41.22 to 41.22 38.76 17.08 41.22 23.95 to 41.22 0.067
  1. QIRC Quality of Life Impact of Refractive Correction, IQR interquartile range