Table 3 Demographic characteristics and outcomes in SARS-CoV2 PCR-positive hospitalized patients based on cycle threshold (Ct) range
Characteristic | Total | Ct value range | p-value | ||
|---|---|---|---|---|---|
9 - 20 | 21 - 30 | 31 - 40 | |||
Overall | 6379 | 1695 | 3879 | 805 | – |
Median age, yrs., (IQR) | 54 (26) | 55 (27) | 53 (25) | 54 (25) | 0.066 |
Mean ± SD age, yrs | 52.93 ± 18.81 | 53.03 ± 20.5 | 52.9 ± 17.9 | 52.6 ± 19.6 | 0.744 |
Age group, yrs | |||||
  < 18 | 245 (3.8) | 101 (6) | 101 (2.6) | 43 (5.3) | < 0.001 |
 18–49 | 2363 (37.1) | 560 (33.1) | 1531 (39.5) | 272 (23.8) | |
 50–64 | 2003 (31.4) | 528 (31.2) | 1208 (31.2) | 267 (33.2) | |
 65-79 | 1277 (20) | 346 (20.4) | 774 (20) | 157 (19.5) | |
  ≥ 80 | 487 (7.6) | 159 (9.4) | 262 (6.8) | 66 (8.2) | |
Sexa | |||||
 Men | 2769 (43.8) | 734 (43.3) | 1681 (43.3) | 381 (47.3) | 0.101 |
 Women | 3583 (56.2) | 961 (56.7) | 2198 (56.7) | 424 (52.7) | |
Underlying diseases | |||||
 CVD | 1162 (18.2) | 313 (18.5) | 685 (17.7) | 164 (20.4) | 0.183 |
 Diabetics | 1032 (16.2) | 287 (16.9) | 600 (15.5) | 145 (18) | 0.126 |
 Kidney diseases | 135 (2.1) | 51 (3) | 68 (1.8) | 16 (2) | 0.011 |
 Hypertension | 524 (8.2) | 119 (7) | 337 (8.7) | 68 (8.4) | 0.11 |
 Malignancies | 135 (2.1) | 39 (2.3) | 75 (1.9) | 21 (2.6) | 0.397 |
 RD | 146 (2.3) | 39 (2.3) | 88 (2.3) | 19 (2.4) | 0.987 |
 Liver diseases | 33 (0.5) | 8 (0.5) | 23 (0.6) | 2 (0.2) | 0.443 |
 GID | 4 (0.06) | 1 (0.06) | 3 (0.1) | 0 (0.0) | 0.726 |
 BND | 240 (3.4) | 72 (4.2) | 140 (3.6) | 28 (3.5) | 0.464 |
 BD | 24 (0.4) | 7 (0.4) | 15 (0.4) | 2 (0.2) | 0.809 |
 Pregnancy | 94 (1.5) | 38 (2.2) | 47 (1.2) | 9 (1.1) | 0.009 |
 Others | 47 (0.7) | 11 (0.6) | 27 (0.7) | 9 (1.1) | 0.393 |
Comorbidities | |||||
 No-Comorbidities | 3834 (60.1) | 983 (58) | 2394 (61.7) | 457 (56.8) | 0.009 |
 One | 1701 (26.7) | 492 (29) | 977 (25.2) | 232 (28.8) | |
  ≥ Two | 844 (13.2) | 220 (13) | 508 (13.1) | 116 (14.4) | |
Hospitalization outcome | |||||
 Length of stay, days, median (IQR) | 5 (3) | 5 (3) | 5 (3) | 5 (3) | 0.054 |
 Length of stay, days, Mean ± SD | 6.7 ± 8.1 | 6.8 ± 7.01 | 6.60 ± 7.85 | 6.69 ± 11.39 | 0.054 |
 ICU admission | 289 (4.5) | 90 (5.3) | 175 (4.5) | 24 (3) | 0.33 |
 Death | 235 (307) | 103 (6.1) | 103 (2.7) | 29 (3.6) | < 0.001 |
SARS-CoV-2 epidemic waves and variant predominance status | |||||
 Waves 0 | 633 (9.9) | 106 (6.3) | 427 (11) | 100 (12.4) | < 0.001 |
 4th (alpha) wave | 1355 (21.2) | 444 (26.2) | 742 (19.1) | 169 (21) | |
 5th (delta) wave | 3554 (55.7) | 919 (54.2) | 2207 (56.9) | 428 (53.2) | |
 6th (omicron) wave | 836 (13.1) | 226 (13.3) | 502 (12.9) | 108 (13.4) | |