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Table 2 Readability scores (Mean ± SD) of the analyzed website portals (N = 89)

From: Quality and readability of web-based Arabic health information on periodontal disease

  ALL Commercial Health/Prof Journalism Others P*
Number of words 1043.4 ± 668.5 737.1 ± 452.3 1301.3 ± 895.5 1072.6 ± 743.7 1086.7 ± 548.8 0.085
Number of sentences 47.8 ± 35.9 31.5 ± 19.7 62.4 ± 41.0 43.4 ± 35.8 53.6 ± 38.1 0.051
FKGL 6.0 ± 3.7 5.9 ± 3.7 4.9 ± 2.2 7.0 ± 3.9 6.0 ± 4.2 0.370
SMOG 3.2 ± 0.4 3.0 ± 0.1 3.1 ± 0.3 3.2 ± 0.5 3.2 ± 0.4 0.365
FRE 96.7 ± 9.7 96.9 ± 9.7 99.6 ± 5.8 94.1 ± 10.0 96.8 ± 10.9 0.369
  1. * Kruskal-Willis test was used
  2. P value is considered significant at < 0.05