Table 1.
Demographic and clinical characteristics of delirium and non-delirium patients
| Variables | Total (N = 637) | Delirium (n = 109) |
Non-delirium (n = 528) |
|---|---|---|---|
| Age (years) (mean, SD) | 85.79 ± 3.69 | 86.95 ± 4.21 | 85.56 ± 3.54 |
| Sex (n%) | |||
| Male | 464(72.8) | 77(70.6) | 387(73.3) |
| Female | 173(27.2) | 32(29.4) | 141(26.7) |
| Marital status (n%) | |||
| Married | 512(80.4) | 80(73.4) | 432(81.8) |
| Single/divorced /windowed | 125(19.6) | 29(26.6) | 96(18.2) |
| Education (n%) | |||
| Illiteracy/primary school | 105(16.5) | 26(23.9) | 79(15.0) |
| Middle school | 115(18.1) | 22(20.2) | 93(17.6) |
| High school/secondary technical | 155(24.3) | 24(22.0) | 131(24.8) |
| College or above | 262(41.1) | 37(33.9) | 225(42.6) |
| Smoking (n%) | |||
| Yes | 390(61.2) | 65(59.6) | 325(61.6) |
| No | 247(38.8) | 44(40.4) | 203(38.4) |
| Alcohol use (n%) | |||
| Yes | 506(79.4) | 80(73.4) | 426(80.7) |
| No | 131(20.6) | 29(26.6) | 102(19.3) |
| Number of Medications (mean, SD) | 3.92 ± 2.39 | 6.25 ± 2.46 | 3.44 ± 2.07 |
| CCI (mean, SD) | 1.85 ± 1.80 | 2.83 ± 2.13 | 1.64 ± 1.65 |
| Emergency admission (n%) | |||
| Yes | 81(12.7) | 34(31.2) | 47(8.9) |
| No | 556(87.3) | 75(68.8) | 481(91.1) |
| Vision (n%) | |||
| Normal | 83(13.1) | 17(15.6) | 66(12.5) |
| Impairment | 554(86.9) | 92(84.4) | 462(87.5) |
| Hearing (n%) | |||
| Normal | 128(20.1) | 20(18.3) | 108(20.5) |
| Impairment | 509(79.9) | 89(81.7) | 420(79.5) |
| Sleep (n%) | |||
| Normal | 112(17.6) | 26(23.9) | 86(13.8) |
| Impairment | 525(82.4) | 83(76.1) | 442(86.2) |
| Pain (n%) | |||
| Yes | 349(54.8) | 71(65.1) | 278(52.7) |
| No | 288(45.2) | 38(34.9) | 250(47.3) |
| Constipation (n%) | |||
| Yes | 188(29.5) | 53(48.6) | 135(25.6) |
| No | 449(70.5) | 56(51.4) | 393(74.4) |
| Cognitive function (n%) | |||
| Normal | 404(63.4) | 10(9.2) | 394(74.6) |
| Mild cognitive impairment | 139(21.8) | 38(34.9) | 101(19.1) |
| Moderate cognitive impairment | 94(14.8) | 61(56.0) | 33(6.3) |
| ADL (n%) | |||
| Normal | 120(18.8) | 13(11.9) | 107(20.3) |
| Impairment | 517(81.2) | 96(88.1) | 421(79.7) |
| Nutrition (n%) | |||
| Normal | 390(61.2) | 43(39.4) | 347(65.7) |
| Malnutrition | 247(38.8) | 66(60.6) | 181(34.3) |
| Depression (n%) | |||
| Yes | 108(17.0) | 60(55.0) | 48(9.1) |
| No | 529(83.0) | 49(45.0) | 480(90.9) |
| Infection (n%) | |||
| Yes | 145(22.8) | 62(56.9) | 83(15.7) |
| No | 492(77.2) | 47(43.1) | 445(84.3) |
Abbreviations: CCI Charlson Comorbidity Index, ADL Activity of Daily Life
Data presented as mean ± SD or n (%)