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Table 3 6-MWT parameters in patients with moderate vs severe OSA

From: Can 6-minute walk test predict severity of obstructive sleep apnea syndrome?

  Moderate OSAa group Severe OSA group P value
6-MWDb, mc ± SDd 555.45 ± 107.82 477.44 ± 275.65 0.173
6-MWD (%)f ± SD 92.4% ± 10.41 75.91 ± 36.45 0.020
HR g,beats/min(from base-line) ± SD 30.09 ± 16.86 27.83 ± 19.26 0.733
HR,beats/min after 6-MWT ± SD 101.27 ± 24.31 104.45 ± 29.88 0.753
SaO2% h at end of 6-MWT ± SD 91 ± 4.97 90.22 ± 7.67 0.758
SaO2% at end of 6-MWT from base line ±SD 2.09 ± 5.26 1 ± 5.99 0.596
  1. Abbreviations: a OSA: obstructive sleep apnea, b 6-MWD: distance walked during the 6-MWT, c 6-MWD,m: is expressed in absolute (meter), d SD: Standard deviation, f 6-MWD: 6-MWD is as percentage predicted (%) values, g HR: Heart rate, h SaO 2 : Oxygen saturation