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. 2019 Oct 21;39(10):BSR20191549. doi: 10.1042/BSR20191549

Table 1. Patient demographics and risk factors in RCT.

Characteristics Case (n=150) Control (n=150) P
Age 52.25 ± 10.67 54.17 ± 11.10 0.128
Sex 0.166
  Male 82 (54.7%) 70 (46.7%)
  Female 68 (45.3%) 80 (53.3%)
Smoking 0.005
  Yes 71 (47.3%) 47 (31.3%)
  No 79 (52.7%) 103 (68.7%)
Alcohol 0.001
  Yes 83 (55.3%) 53 (35.3%)
  No 67 (44.7%) 97 (64.7%)
Hypertension 0.699
  Yes 43 (28.7%) 40 (26.7%)
  No 107 (71.3%) 110 (73.3%)
Diabetes 0.023
  Yes 39 (26.0%) 23 (15.3%)
  No 111 (74.0%) 127 (84.7%)
Thyroid disease 0.828
  Yes 11 (7.3%) 12 (8.0%)
  No 139 (92.7%) 138 (92.0%)
Family history
  Yes 12 (8.0%)
  No 138 (92.0%)
Tear size
  Small 78 (52.0%)
  Medium 44 (29.3%)
  Large 28 (18.7%)
Pre-operative stiffness
  Yes 73 (48.7%)
  No 77 (51.3%)