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Table 6 Patient-reported and anthropometric data in participants who completed all follow-up (n = 22)

From: An anti-inflammatory diet intervention for knee osteoarthritis: a feasibility study

Outcome Baseline Week 3 Week 6 Week 9 Changea 95% CI of change MDC
KOOS-Pain 61.8 ± 12.0b 63.1 ± 11.4 68.8 ± 12.2c 68.4 ± 12.3 6.6 ± 12.6 [0.9 to 12.4] 8–10
KOOS-Symptoms 56.9 ± 14.3b 57.3 ± 15.4 58.6 ± 16.7c 62.5 ± 17.7 5.6 ± 15.1 [−1.3 to 12.5] 8–10
KOOS-ADL 68.2 ± 15.9b 72.2 ± 13.2b 75.8 ± 14.6c 78.3 ± 14.4 10.1 ± 14.3 [3.6 to 16.6] 8–10
KOOS-Sport/Rec 35.7 ± 27.3b 47.4 ± 27.9b 46.8 ± 25.2c 46.9 ± 29.6 11.2 ± 19.7 [2.2 to 20.2] 8–10
KOOS-QoL 42.0 ± 16.4b 46.3 ± 14.6b 50.9 ± 14.5c 50.8 ± 13.7 8.8 ± 14.7 [2.1 to 15.5] 8–10
KOOS4 57.2 ± 10.9b 59.95 ± 10.7b 63.5 ± 10.8c 65.0 ± 12.4 7.8 ± 11.5 [2.5 to 13.0] 8–10
EQ 5 D Utility 0.70 ± 0.16b 0.74 ± 0.1 0.74 ± 0.11c 0.75 ± 0.12 0.04 ± 0.16 [−0.03 to 0.11] N/A
EQ 5 D VAS 75.2 ± 15.1b 77.5 ± 15.1 78.9 ± 15.4c 81.6 ± 14.6 6.3 ± 16.0 [−0.9 to 13.6] N/A
Average Pain (0-100 mm) 52.6 ± 22.7b 52.1 ± 21.3b 41.6 ± 23.0d 43.6 ± 27.5c −8.9 ± 35.6 [−26.1 to 8.2] N/A
BMI, kg/cm2 30.7 ± 4.8d 29.7 ± 4.6b 29.5 ± 4.6c 29.6 ± 4.3b −1.0 ± 0.8 [−1.4 to −0.7] N/A
Weight, kg 86.6 ± 15.0d 83.7 ± 13.9b 82.7 ± 13.8c 83.6 ± 13.7b −3.0 ± 2.3 [−4.1 to −1.8] N/A
  1. KOOS Knee injury and Osteoarthritis Outcome Score, ADL Activities of daily living, QoL Quality of life, EQ 5D EuroQoL-5D, BMI Body mass index, MDC Minimal detectable change, VAS Visual analogue scale, CI Confidence interval
  2. aChange indicates absolute change from baseline to week 9. All data presented as mean ± standard deviation for participants completing the intervention and had baseline data. Minimal detectable change values drawn from previous estimations [43]
  3. bn = 1 missing data relative to number of participants in each timepoint column
  4. cn = 2 missing data relative to number of participants in each timepoint column
  5. dn = 3 missing data relative to number of participants in each timepoint column