Frequencies | Suppression | Groups | P-value | ||
---|---|---|---|---|---|
Hospitalized patients | Outpatients | Controls | |||
n (%) | |||||
1 kHz | No | 3 (6.2) | 7 (15.2) | 3 (6.0) | 0.206* |
Yes | 45 (93.7) | 39 (84.8) | 47 (94.0) | ||
1.5 kHz | No | 1 (2.1) | 4 (8.7) | 1 (2.0) | 0.176* |
Yes | 47 (97.9) | 42 (91.3) | 49 (98.0) | ||
2 kHz | No | 9 (18.7) | 6 (13.0) | 9 (18.0) | 0.723* |
Yes | 39 (81.2) | 40 (87.0) | 41 (82.0) | ||
3 kHz | No | 11 (22.9) | 7 (15.2) | 4 (8.0) | 0.122* |
Yes | 37 (77.1) | 39 (84.8) | 46 (92.0) | ||
4 kHz | No | 13 (27.1) | 9 (19.6) | 5 (10.0) | 0.094* |
Yes | 35 (72.9) | 37 (80.4) | 45 (90.0) |
kHz: kilohertz, *Pearson Chi-square, a statistically significant difference (p<0.05)