Instability of 24-hour intraocular pressure fluctuation in healthy young subjects: a prospective, cross-sectional study

Song, Yoo Kyung; Lee, Chang-Kyu; Kim, Jiwon; Hong, Samin; Kim, Chan Yun; Seong, Gong Je

doi:10.1186/1471-2415-14-127

Table 1 Descriptive data on intraocular pressure (IOP), systolic and diastolic blood pressure (SBP/DBP), and mean ocular perfusion pressure (MOPP) parameters for five daily visits among healthy young individuals (n = 10)

From: Instability of 24-hour intraocular pressure fluctuation in healthy young subjects: a prospective, cross-sectional study

		IOP (mmHg)		Acro-phase (h)	Bathy-phase (h)	BP (mmHg)		MOPP (mmHg)
Subjects	Visits	Sitting^†	Supine^‡	Acro-phase (h)	Bathy-phase (h)	SBP	DBP	Sitting^†	Supine^‡
Subject #1	1st	12.25 ± 1.98	12.25 ± 0.89	15	6	118.25 ± 4.13	66.88 ± 4.73	43.75 ± 2.94	42.86 ± 2.09
	2nd	12.63 ± 1.60	12.75 ± 1.04	15	12	121.00 ± 3,89	68.38 ± 2.45	44.65 ± 1.72	40.56 ± 8.09
	3rd	11.88 ± 1.36	11.50 ± 0.93	0	6	120.88 ± 3.40	69.38 ± 3.38	45.82 ± 1.39	45.00 ± 2.16
	4th	12.75 ± 2.05	12.63 ± 2.00	12	6	122.50 ± 3.34	66.88 ± 3.09	44.19 ± 2.24	43.13 ± 2.02
	5th	11.75 ± 1.28	12.75 ± 1.04	21	12	121.38 ± 4.63	68.25 ± 3.62	45.56 ± 2.25	43.28 ± 1.73
Subject #2	1st	13.88 ± 1.25	13.75 ± 1.67	6	12	115.50 ± 5.37	71.63 ± 6.02	43.63 ± 3.48	42.81 ± 3.71
	2nd	13.88 ± 1.36	14.00 ± 1.93	18	3	117.38 ± 3.81	66.75 ± 5.01	41.88 ± 3.22	40.97 ± 3.16
	3rd	14.00 ± 2.14	13.63 ± 1.30	15	3	119.25 ± 3.88	70.38 ± 5.26	43.78 ± 2.51	43.40 ± 3.19
	4th	13.88 ± 0.83	13.88 ± 1.13	12	3	117.13 ± 2.75	66.13 ± 2.42	41.54 ± 1.61	40.85 ± 2.56
	5th	12.88 ± 1.25	13.00 ± 1.41	18	3	117.50 ± 3.89	66.25 ± 4.10	42.68 ± 2.03	41.92 ± 2.59
Subject #3	1st	11.88 ± 0.99	12.88 ± 1.73	12	0	129.13 ± 1.73	72.88 ± 3.68	49.21 ± 1.83	48.15 ± 2.56
	2nd	12.38 ± 1.85	13.75 ± 1.39	3	15	126.25 ± 3.28	74.75 ± 2.05	48.90 ± 1.13	47.64 ± 2.12
	3rd	11.50 ± 1.31	12.88 ± 0.83	21	6	125.50 ± 1.85	70.00 ± 2.98	47.50 ± 1.11	46.01 ± 1.39
	4th	12.13 ± 1.96	13.63 ± 2.00	12	0	126.50 ± 2.62	73.63 ± 2.33	48.71 ± 1.91	46.93 ± 2.92
	5th	12.00 ± 1.20	13.25 ± 1.28	21	0	123.38 ± 2.07	66.00 ± 2.56	44.75 ± 1.45	44.81 ± 1.41
Subject #4	1st	13.38 ± 1.41	13.50 ± 1.69	3	9	115.75 ± 5.09	66.13 ± 2.75	41.74 ± 1.19	41.67 ± 2.84
	2nd	12.63 ± 1.30	14.63 ± 0.92	6	18	116.38 ± 2.13	65.13 ± 1.55	42.18 ± 1.76	40.13 ± 1.70
	3rd	11.75 ± 1.28	13.00 ± 1.41	18	3	115.63 ± 3.66	63.00 ± 1.77	41.94 ± 1.40	40.83 ± 2.08
	4th	11.88 ± 1.25	13.25 ± 0.89	12	3	116.38 ± 3.11	64.88 ± 2.53	42.82 ± 1.93	41.08 ± 0.98
	5th	12.00 ± 1.60	13.38 ± 1.19	6	15	117.75 ± 3.24	66.00 ± 3.25	43.50 ± 2.55	42.21 ± 1.63
Subject #5	1st	12.50 ± 2.07	12.63 ± 1.30	15	3	115.50 ± 5.37	71.63 ± 6.02	45.00 ± 3.18	43.93 ± 3.18
	2nd	13.00 ± 1.77	13.25 ± 1.28	9	0	117.25 ± 2.82	71.75 ± 4.65	44.94 ± 3.10	42.86 ± 4.06
	3rd	13.63 ± 2.20	13.50 ± 1.51	15	3	117.25 ± 4.46	70.88 ± 4.42	43.93 ± 1.51	43.00 ± 1.84
	4th	13.25 ± 1.75	13.38 ± 1.06	18	9	118.25 ± 2.92	71.88 ± 4.58	44.97 ± 2.23	44.71 ± 2.80
	5th	13.50 ± 1.85	13.75 ± 1.58	9	3	118.00 ± 2.88	71.13 ± 3.27	44.33 ± 2.38	44.19 ± 2.08
Subject #6	1st	16.00 ± 1.20	16.63 ± 1.51	6	3	126.88 ± 2.53	73.75 ± 2.38	44.97 ± 1.20	43.54 ± 1.18
	2nd	14.13 ± 1.46	14.50 ± 1.60	18	6	125.63 ± 2.50	70.00 ± 1.85	44.90 ± 1.70	44.11 ± 1.85
	3rd	15.88 ± 1.36	16.75 ± 1.28	6	21	127.75 ± 4.26	72.63 ± 3.38	44.74 ± 1.26	43.36 ± 1.01
	4th	13.00 ± 1.31	13.88 ± 1.64	21	6	126.88 ± 2.36	65.25 ± 1.91	44.19 ± 2.03	43.15 ± 1.59
	5th	13.63 ± 2.62	14.75 ± 1.91	18	6	126.50 ± 1.85	66.00 ± 2.27	43.82 ± 3.31	42.17 ± 2.82
Subject #7	1st	14.50 ± 1.41	14.13 ± 0.99	15	3	119.00 ± 2.45	68.88 ± 4.76	42.56 ± 2.15	43.29 ± 0.96
	2nd	13.88 ± 0.99	14.38 ± 1.41	18	15	117.13 ± 3.36	66.13 ± 2.42	41.54 ± 1.96	40.76 ± 2.71
	3rd	14.88 ± 1.25	14.50 ± 1.07	6	12	116.25 ± 3.45	69.13 ± 4.05	41.68 ± 2.22	41.64 ± 2.64
	4th	13.63 ± 0.92	14.13 ± 1.46	9	3	117.38 ± 2.07	66.25 ± 3.69	41.90 ± 1.75	41.01 ± 2.29
	5th	14.88 ± 1.36	14.63 ± 1.51	18	3	118.25 ± 3.77	66.88 ± 4.73	41.13 ± 3.16	40.82 ± 3.12
Subject #8	1st	11.38 ± 2.07	12.38 ± 1.77	15	3	132.50 ± 5.13	75.13 ± 6.71	51.46 ± 3.52	49.57 ± 2.39
	2nd	12.00 ± 2.00	12.88 ± 2.30	21	0	129.63 ± 2.77	71.00 ± 2.83	48.36 ± 1.48	47.38 ± 1.03
	3rd	12.25 ± 2.19	14.00 ± 2.14	12	3	126.25 ± 2.76	74.50 ± 1.93	48.92 ± 2.14	46.53 ± 3.10
	4th	12.00 ± 0.93	13.25 ± 1.75	18	3	129.75 ± 2.55	69.00 ± 2.33	47.50 ± 1.41	46.50 ± 1.46
	5th	11.38 ± 1.77	12.75 ± 1.28	15	6	128.75 ± 2.43	71.00 ± 2.62	48.79 ± 1.50	47.33 ± 2.35
Subject #9	1st	8.75 ± 0.71	10.25 ± 0.89	12	3	111.13 ± 3.65	67.50 ± 2.07	43.72 ± 8.01	43.22 ± 2.03
	2nd	7.88 ± 1.89	9.50 ± 1.69	15	3	112.38 ± 2.26	65.38 ± 1.77	46.15 ± 1.56	44.06 ± 2.39
	3rd	9.25 ± 1.04	10.13 ± 1.73	3	15	114.00 ± 5.32	67.38 ± 1.92	46.03 ± 1.76	44.15 ± 2.43
	4th	8.75 ± 2.12	10.00 ± 0.93	18	9	116.38 ± 3.50	67.13 ± 2.10	46.94 ± 1.73	44.11 ± 1.60
	5th	8.63 ± 1.85	9.88 ± 0.99	18	15	116.63 ± 2.72	66.38 ± 1.69	46.79 ± 1.32	45.35 ± 0.83
Subject #10	1st	11.75 ± 0.89	12.88 ± 1.13	18	3	125.63 ± 3.66	63.88 ± 2.70	44.56 ± 1.34	43.43 ± 1.66
	2nd	12.38 ± 1.60	13.13 ± 0.99	6	15	124.63 ± 2.88	65.13 ± 2.23	44.26 ± 2.20	43.10 ± 1.30
	3rd	12.88 ± 1.55	13.75 ± 1.16	9	21	125.38 ± 4.07	66.13 ± 2.80	44.60 ± 1.34	42.86 ± 1.46
	4th	12.25 ± 1.04	13.88 ± 1.13	9	18	122.59 ± 1.96	65.13 ± 1.55	44.50 ± 0.89	42.29 ± 1.23
	5th	13.38 ± 1.06	13.50 ± 0.53	9	3	124.13 ± 3.12	64.88 ± 2.53	43.26 ± 1.09	42.50 ± 0.86

^†Measured by Goldmann applanation tonometry.
^‡Measured by a Tono-Pen AVIA tonometer (Reichert Technologies Inc., Depew, NY, USA).
Data are expressed as the mean ± standard deviation.

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