Clinical and laboratory characteristics of sarcoidosis in the native Saudi as shown by data collected from Khan et al,2 Samman et al3 and Al-Kouzaie et al.4
| Item/studies | Khan et al2 | Samman et al3 | Al-Kouzaie et al4 | N (%) |
| No of patients | 20 | 21 | 33 | 74 |
| Male:female | 11:9 | 5:16 | 15:18 | 31:43 |
| Symptoms | ||||
| Dyspnoea | 13 | 9 | 14 | 36 (48.64) |
| Cough | 8 | 9 | 16 | 33 (44.59) |
| Joint pain | 9 | 9 | 11 | 29 (39.18) |
| Weight loss | 12 | 3 | 6 | 21 (28.37) |
| Fever | 8 | 3 | 7 | 18 (24.32) |
| Fatigue | 9 | 2 | 0 | 11 (14.86) |
| Skin | 1 | 8 | 0 | 9 (12.16) |
| Signs | ||||
| Hepatomegaly | 3 | 6 | 4 | 13 (17.56) |
| Lymphadenopathy | 5 | 5 | 2 | 12 (16.21) |
| Eye involvement | 5 | 3 | 4 | 12 (16.21) |
| Splenomegaly | 1 | 5 | 3 | 9 (12.16) |
| Hepatosplenomegaly | 4 | 4 | 1 | 9 (12.16) |
| CNS | 0 | 1 | 0 | 1 (01.35) |
| Cardiac involvement | 0 | 0 | 0 | 0 (00.00) |
| Investigation | ||||
| Hypergammaglobulinaemia | 9 | 0 | 0 | 9 (12.16) |
| Hypercalcaemia | 2 | 3 | 2 | 7 (09.45) |
| Stages | ||||
| 0:1:2:3:4 | -:-:14:-:- | 3:7:9:2:0 | 0:13:15:3:2 | |
CNS, Central Nervous system.