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. 2005 Aug;89(8):1041–1044. doi: 10.1136/bjo.2004.062638

Table 4.

 Confounding factors in the study groups (SD)

Confounding factors Treated (n = 32) Control (n = 30) p Value
Preoperative serum creatinine (mg/dl) 1.2 (0.59) 1.3 (0.89) NS
Preoperative platelet count (106/l) 227 838 209 100 NS
Preoperative PT (s) 13.5 (2.9) 13.6 (3.6) NS
Preoperative PTT (s) 38.6 (11) 38.5 (9) NS
End of surgery IOP (mm Hg) 15.9 (4) 14.8 (6) NS
Intraoperative blood pressure systolic (mm Hg) 143 (17) 134 (24) NS
diastolic (mm Hg) 83 (8) 81 (12) NS
Postoperative blood pressure systolic (mm Hg) 131 (18) 132 (14) NS
diastolic (mm Hg) 76 (8) 76 (8) NS
Postoperative IOP
    first day (mm Hg) 20 (6) 17 (5) 0.037
    first week (mm Hg) 16 (6) 13 (5) NS
    fourth week (mm Hg) 17 (7) 15 (5) NS

PT, prothrombin time; PTT, partial thromboplastin time; IOP, intraocular pressure; NS, not significant.