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. 2021 Sep 24;15:3931–3938. doi: 10.2147/OPTH.S335486

Table 1.

Number and Proportion of Patients with IOP Above and Below 15, 18, 21, and 25 mmHg at Preoperative and Month 12 Postoperative Visits at 9AM, Noon, and 4PM

Preoperative N (%) Month 12 N (%)
9 AM Noon 4 PM 9 AM Noon 4 PM
>25 mmHg 40 (31) 31 (24) 26 (20) 4 (3) 6 (5) 3 (2)
≤25 mmHg 88 (69) 97 (76) 102 (80) 124 (97) 122 (95) 125 (98)
>21 mmHg 99 (77) 92 (72) 89 (70) 18 (14) 16 (13) 11 (9)
≤21 mmHg 29 (23) 36 (28) 39 (30) 110 (86) 112 (88) 117 (91)
>18 mmHg 125 (98) 128 (100) 127 (99) 26 (20) 28 (22) 25 (20)
≤18 mmHg 3 (2) 0 1 (1) 102 (80) 100 (78) 103 (80)
>15 mmHg 127 (99) 128 (100) 128 (100) 58 (45) 56 (44) 54 (42)
≤15 mmHg 1 (1) 0 0 70 (55) 72 (56) 74 (58)

Note: Chi-square tests comparing proportions preoperatively versus month 12 for each time point were all highly significant (P<0.0001).