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Table 1 Pre-operative characteristics of day surgery patients

From: Case-mix & patients' reports of outcome in Independent Sector Treatment Centres: Comparison with NHS providers

Patient characteristic Cataract surgery Hernia repair Varicose vein surgery
  NHS (N = 590) ISTC (N = 276) NHS (N = 422) ISTC (N = 69) NHS (N = 269) ISTC (N = 53)
  Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Age (years) 73.7 (10.6) 74.6 (10.0) 53.4 (18.0) 48.7 (14.1) 46.6 (13.5) 42.2 (16.5)
Duration symptoms (years) 2.8 (3.7) 2.6 (3.0) 2.8 (5.6) 1.6 (1.9) 13.6 (11.5) 12.8 (8.6)
Deprivation score 20.3 (14.1) 16.5 (9.3) 18.6 (15.5) 33.2 (18.9) 20.1 (14.8) 33.4 (21.7)
EQ-5D score 0.80 (0.24) 0.84 (0.22) 0.78 (0.18) 0.76 (0.19) 0.76 (0.19) 0.78 (0.16)
Disease-specific score 81.8 (17.9) 84.7 (15.9) 47.2 (9.2) 46.6 (9.2) 16.9 (8.3) 15.8 (8.4)
  N (%) N (%) N (%) N (%) N (%) N (%)
Female 340 (57.7) 156 (56.5) 47 (11.1) 3 (4.3) 178 (66.2) 33 (62.3)
Any comorbidity 465 (78.8) 197 (71.4) 207 (49.1) 27 (39.1) 160 (59.5) 25 (57.2)
Previous similar surgery 202 (34.5) 90 (32.7) 84 (20.2) 9 (13.4) 86 (32.7) 15 (28.9)
Poor or fair health 131 (22.3) 45 (16.4) 34 (8.1) 4 (5.8) 27 (10.2) 3 (5.7)