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Table 2 Frequency of subjects with various degrees of limitation in physical function according to the items in SF-36, i.e., yes, limited a lot; yes, limited a little; no, not limited at all

From: Repeatability and validity of a standardised maximal step-up test for leg function-a diagnostic accuracy study

SF-36, Physical Function Severely limited Somewhat limited Not limited
Subgroup Item Total (Women/Men) Total (Women/Men) Total (Women/Men)
  n = 60 (30/30) n = 60 (30/30) n = 60 (30/30)
3a vigorous activities 7 (6/1) 22 (10/12) 31 (14/17)
3b moderate activities 0 (0/0) 6 (5/1) 54 (25/29)
3d climbing several flights of stairs 0 (0/0) 3 (2/1) 57 (28/29)
3f bending, kneeling, or stooping 0 (0/0) 13 (8/5) 47 (22/25)
3g walking more than 2 km 0 (0/0) 2 (2/0) 58 (28/30)