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Table 5 Total scores and change of scores on individual measures (n = 98)

From: Patient reported outcome measures (PROMs) in primary care: an observational pilot study of seven generic instruments

   Baseline score Score after four weeks Score difference
Instrument (n) Theoretical range of scale Median Min. Max. IQR Median Min. Max. IQR Median Min. Max. IQR
PAM-13 (47) 0 - 100 56.4 41.7 100.0 49.9 - 70.8 56.4 40.1 100.0 49.9 - 70.8 0.0 −43.6 38.9 −2.8 to 6.7
EC-17 (36)a 0 - 100 76.5 55.9 100.0 75.0 - 83.8 80.3 63.2 98.5 75.0 - 88.1 0.0 −10.9 36.8 −2.4 to 4.4
EQ-5D (45) 0 - 1 0.84 0.15 1.00 0.79 - 0.89 0.84 0.25 1.00 0.81 - 1.0 0.00c −0.44 0.28 0.00 to 0.11
EQ- VAS (47) 0 - 100 70.0 30 100 60.0 - 80.0 75.0 40 100 70.0 - 80.0 0.0 −25.0 20.0 −5.0 to 10.0
SF-12 PCS (42) 0 - 100 42.3 18.7 60.5 32.4 - 53.5 49.8 17.8 58.9 37.5 - 54.4 2.0c −15.3 28.8 −1.3 to 7.1
SF-12 MCS (42) 0 - 100 56.0 17.3 65.8 48.7 - 59.0 54.1 19.8 62.7 49.3 - 58.9 0.0 −25.8 20.9 −6.3 to 4.4
GHQ-12 (97) 0 - 36b 9.0 3.0 26.0 7.0 - 13.0 8.0 3.0 25.0 7.0 - 12.0 0.0 −13.0 10.0 −2.0 to 2.0
PEI (97) 0 - 12 0.0 0.0 6.0 0.0 - 2.5 0.0 0.0 12.0 0.0 - 2.0 0.0 −6.0 8.0 −0.5 to 0.0
GPE (89) 1 - 7 4.0 2 7 4.0 - 5.0 4.0 3 7 4.0 - 6.0 0.0 c −3.0 3.0 0.0 to 1.0
  1. aIf 3 or more items missing then no score was computed.
  2. bLower score means better health.
  3. cMean score difference significant with p ≤ 0.05.