Table 1

Pre-operative characteristics of day surgery patients

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)


Browne et al. BMC Health Services Research 2008 8:78   doi:10.1186/1472-6963-8-78

Open Data