Table 2 Baseline characteristics of the study subjects
From: Peripapillary retinal artery in first diagnosed and untreated normal tension glaucoma
Variable | Controls (n = 60) | NTG (n = 51) | t values | P values |
|---|---|---|---|---|
Age, mean (SD), y | 59 (10.5) | 54 (12.1) | −1.703 | 0.093* |
Sex, n (%) | 0.353** | |||
Female | 30 (50%) | 21 (41%) | / | / |
male | 30 (50%) | 30 (59%) | / | / |
IOP, mean (SD), mm Hg | 14 (2.0) | 15 (1.6) | 1.110 | 0.271* |
CCT, mean (SD), μm | 540.6 (17.8) | 532.7 (24.4) | −1.398 | 0.169* |
MD, mean (SD),dB | −2 (1.0) | −6 (4.6) | −5.992 | < 0.001* |
Cup area, mean (SD),mm2 | 1.01 (0.53) | 1.53 (0.58) | 3.653 | < 0.001* |
Rim area, mean (SD),mm2 | 1.56 (0.34) | 0.75 (0.34) | −9.411 | < 0.001* |
Cup/disc area ratio,mean (SD) | 0.34 (0.18) | 0.65 (0.18) | 6.107 | < 0.001* |
Avg.RNFL, mean (SD), μm | 116 (8.9) | 85 (11.1) | −11.642 | < 0.001* |
Sup.RNFL, mean (SD), μm | 117 (8.6) | 88 (14.7) | −8.847 | < 0.001* |
Inf.RNFL, mean (SD), μm | 115 (10.7) | 82 (12.0) | −11.103 | < 0.001* |
Superotemporal PRAC, mean (SD), μm | 101 (9.8) | 82 (15.1) | −5.538 | < 0.001* |
Inferotemporal PRAC, mean (SD), μm | 105 (8.7) | 80 (13.6) | −8.156 | < 0.001* |
Superonasal PRAC, mean (SD), μm | 90 (7.5) | 71 (11.6) | −7.417 | < 0.001* |
Inferonasal PRAC, mean (SD), μm | 82 (9.8) | 64 (10.0) | −7.252 | < 0.001* |