Table 8. χ2-test for POAG patients who showed a highest IOP in day time and night time.
| Age group(years old) | Sub-group | IOP range(mmHg) | TN | Men/women | PSQI score(M±SD) | NPSD | PPSD | P value |
| 41–60 | Highest IOP in daytime | 20.00–32.70 | 11 | 7/5 | 8.18±2.562 | 5 | 45.45% | 0.500 |
| Highest IOP innighttime | 17.70–31.00 | 11 | 6/5 | 7.45±2.806 | 4 | 36.36% | ||
| 61–80 | Highest IOP in daytime | 18.30–31.30 | 12 | 8/4 | 8.58±4.209 | 7 | 58.33% | 0.623 |
| Highest IOP innighttime | 13.00–27.70 | 9 | 5/4 | 7.00±2.345 | 5 | 55.56% |
*
TN: total number, NPSD: number of patients with sleep disorders, PPSD: percentage of patients with sleep disorders.