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Table 2 Frequency of Symptoms at first panic attack (N = 830)

From: The development of agoraphobia is associated with the symptoms and location of a patient's first panic attack

Place of first PA Total 1 At home 2 office, school 3 driving 4 train, bus 5. outside of home statistical value p-value (place of 5 group)
   (N = 830) (N = 308) (N = 128) (N = 100) (N = 128) (N = 166) F or chi-square  
First PA symptom (DSM-IV), N(%)
I Palpitations 745 (89.8) 273 (88.6) 117 (91.4) 89 (89.0) 116 (90.6) 150 (90.4) 1.033 0.905
II Sweating 420 (50.7) 134 (43.6) 69 (53.9) 59 (59.0) 78 (60.9) 80 (48.5) 15.081 0.005
III Trembling 426 (51.3) 167 (54.2) 63 (49.2) 58 (58.0) 56 (43.8) 82 (49.4) 6.231 0.183
IV Smothering 597 (71.9) 229 (74.4) 88 (68.8) 72 (72.0) 85 (66.4) 123 (74.1) 3.855 0.426
V Feeling of choking 402 (48.4) 157 (51.0) 53 (41.4) 49 (49.0) 60 (46.9) 83 (50.0) 3.627 0.459
VI Chest pain 237 (28.6) 98 (31.8) 45 (35.2) 21 (21.0) 24 (18.8) 49 (29.5) 13.247 0.01
VII Nausea 273 (32.9) 95 (30.8) 43 (33.6) 37 (37.0) 51 (39.8) 47 (28.3) 5.757 0.218
VIII Feeling dizzy 431 (51.9) 143 (46.4) 71 (55.5) 60 (60.0) 59 (46.1) 98 (59.0) 12.09 0.017
IX Derealization 250 (30.1) 92 (29.9) 43 (33.6) 33 (33.0) 35 (27.3) 47 (28.3) 1.863 0.761
X Going crazy 428 (51.7) 170 (55.4) 55 (43.0) 59 (59.0) 65 (50.8) 79 (47.9) 8.71 0.069
XI Fear of dying 454 (54.7) 195 (63.3) 51 (39.8) 56 (56.0) 62 (48.4) 90 (54.2) 22.729 < 0.001
XII Paresthesia 248 (29.9) 105 (34.1) 34 (26.6) 29 (29.0) 36 (28.1) 44 (26.5) 4.406 0.354
XIII Chills or hot flushes 247 (29.8) 101 (32.8) 33 (25.8) 23 (23.0) 37 (28.9) 53 (31.9) 4.928 0.295
Total number (1-13) 6.21 ± 2.82 6.33 ± 2.78 5.99 ± 2.87 6.50 ± 2.67 5.97 ± 3.05 6.19 ± 2.77 0.826 0.509