Comparative study of combined vitrectomy with phacoemulsification versus vitrectomy alone for primary full-thickness macular hole repair

Table 3 Evolution of the intraocular pressure for the patients treated with phacovitrectomy or vitrectomy alone for macular holes

	Macular holes stage 2			Macular holes stage 3			Macular holes stage 4
	Phako-PPV	PPV	P Value	Phako-PPV	PPV	P Value	Phako-PPV	PPV	P Value
Mean IOP preoperatively in mmHg (±SD)	14.64 (±2.84)	13.71 (±2.49)	0.181†	15.13 (±2.92)	14.85 (±3.12)	0.488†	14.40 (±2.47)	14.11 (±3.31)	0.744†
Mean IOP first postoperative day in mmHg (±SD)	12.72 (±4.06)	12.52 (±5.47)	0.856†	12.95 (±3.80)	13.19 (±3.51)	0.640†	12.40 (±4.17)	12.44 (±5.93)	0.977†
P Value: IOP preoperatively vs. first postoperative day	0.002‡	0.330‡		<0.001‡	0.001‡		0.014‡	0.236‡
Mean IOP end of follow-up in mmHg (±SD)	15.99 (±4.77)	18.24 (±5.78)	0.073†	16.07 (±4.28)	16.49 (±3.43)	0.459†	16.36 (±2.83)	14.89 (±2.54)	0.087†
P Value: IOP preoperatively vs. end of follow-up	0.022‡	<0.001‡		0.011‡	0.003‡		0.002‡	0.391‡

† One-Way Anova for between-group comparisons; ‡ two tailed paired sample t-Testfor within-group comparisons. IOP Intraocular pressure, PPV Pars plana vitrectomy, SD Standard deviation.

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